Getting hotmail contacts php jobs

...Claude_answer = ; (); try { const response = await ( this.Claude_question ); = ; } catch (error) { this.Claude_answer(error); ("Error sending message:", error); } }, And make the call without getting a cors message. It needs to be a Quasar app and not a node.js app. Make a page that has an Question and an answer input. Add a button that calls the function I provided. If you have better code you can use that. Hopefully you have done this before and have an API account at Anthropic. I don't want your API key and I will add $5.00 for you to get one. I'm just looking for code to a good

i have one php script which used to load in a few seconds now takes 4 minutes not sure why it suddenly lags need optimised - the mysql query hittin some bottleneck somewhere by looks of it

I'm in need of a skilled individual who is proficient in both PHP and Google Gemini. The primary task is to integrate this platform with my PHP website. Key requirements include: - Basic data syncing: The main goal is to ensure that the PHP website and Google Gemini can share important data seamlessly. This includes basic data such as user information, clicks, and impressions. The ideal candidate must have: - Demonstrated expertise in PHP and Google Gemini. - Prior experience in integrating Google Gemini with websites. - Strong communication skills to understand my requirements and provide updates on the integration process.

I'm looking for an experienced full-stack developer to build ...Content Packaging & Distribution - Content Localization - Import & Export Functionality - Settings & Integrations - Security & Compliance - Performance Monitoring & Optimization The ideal candidate should have: - Proven experience developing admin dashboards - Expertise in Flutter, Firebase, PHP - Strong design sense for clean UI/UX - Knowledge of user management, data viz, content systems - Ability to ensure security, performance, compliance Your role will be to implement these features using PHP (or else) and Firebase. I'm open to suggestions and improvements on the features list. Please provide examples of your previous work and an outline of how you would approach this pro...

I have a project that entails exporting contacts from one database and merging them in a particular manner. Here's what I need: • Transferring data between databases -- changing to a new program • Combining the Excel rows into a single cell. Only the address, city, state, zip into one cell. Name, phone, email will stay separate. • The final format for the merged data should be in CSV. Ideal skills and experience required for this project include extensive knowledge about Excel functionalities, CSV formats, and database management. Previous experience with contact data transfer and merging will be highly appreciated. Let me know if you've done similar jobs in the past.

I'm looking to obtain contact information, specifically email addresses and physical addresses, of local jewellery shops from multiple countries. This information will be primarily used for a marketing campaign. The ideal freelancer for this job should possess: - Proficiency in web research and data collection - Proven experience in lead generation - Knowledge about the jewellery shop industry. I'm particularly interested in local artisans, as opposed to high-end luxury shops or exclusively online retailers. Please apply if you are confident in gathering accurate and quality data from various resources.

I have a project that entails exporting contacts from one database and merging them in a particular manner. Here's what I need: • Transferring data between databases -- changing to a new program • Combining the Excel rows into a single cell. Only the address, city, state, zip into one cell. Name, phone, email will stay separate. • The final format for the merged data should be in CSV. Ideal skills and experience required for this project include extensive knowledge about Excel functionalities, CSV formats, and database management. Previous experience with contact data transfer and merging will be highly appreciated. Let me know if you've done similar jobs in the past.

I need a professional who can analyze the logs of my Apache PHP-FPM server and help me troubleshoot errors. The main focus of this task is to identify and resolve any issues that might be impacting the performance of the server. Key Requirements: - The ideal candidate should have a solid understanding of Apache PHP-FPM logs and their structure. - Good troubleshooting skills are necessary to pinpoint the root causes of the errors. - Ability to present the analysis results in a detailed report is crucial. The main goal is to ensure the server is running smoothly and efficiently. The server use Centos 7, Apache and PHP 5.6

I will pay no more than 30 dollars for this work. Please do not send a bid if you are going to offer a higher price. I'm seeking a skilled PHP programmer proficient with Cora. The goal is to automate the sharing of articles from my website to my business Facebook page. Key requirements: - Automate sharing: I want the programmer to ensure that whenever a new article is uploaded to my website, it's automatically shared to my business Facebook page. - Cora PHP programming: The ideal candidate should have experience with Cora PHP programming, specifically related to integrating website content with Facebook. - Facebook page sharing: The articles should be shared only on my business page, ensuring they reach my target audience. Your duties will include: - Devel...

...current process excel files will be given aswell as the detailed process) Request Submission: Teams within the company fill out an Excel file with transport details, including pickup location, destination, size, and weight of the shipment. Courier Selection: The logistician identifies 3 or 4 potential couriers from a database based on the transport's distance, size, and location. The logistician contacts these couriers via Outlook to inquire about availability and pricing. Selection and Confirmation: Upon receiving responses, the logistician selects the best courier based on price and availability. The logistician fills out an order form in Excel, converts it to PDF, and sends it to the chosen courier to confirm the shipment. Project Goals: Automate Courier Selection: D...

I need a striking and insightful billboard design to feature my Scalp Micropigmentation business. The design should include: - Incorporation of our specific business colours, reflecting our unique brand. - Grey #282828 - Gold #c59460 - White #ffffff - Header Font - DM Serif Display (Google font) - Body Font - Quicksand (Google font) - Dimensions of 400cm X...Alopecia - Most importantly, before and after treatment images to showcase the benefits achieved (attached) Ideal freelancers would have expertise in graphic design, specifically for billboard advertising. Knowledge and understanding of Scalp Micropigmentation will be an advantage. A highly seasoned designer with a good grasp on brand identity and a knack for visual storytelling is key to getting the messa...

...and promptly executing action items from discussions. -> take instructions and act fast 3. Propose options from research as requested -> more googling 4. Be able to advise proactively on details including step by step documents where needed -> simple ppt stuff 5. Maintain and update the status of various tasks with regular updates 6. Be able to present information clearly in English, not getting too bogged down by confusing details (clear communication) Expectations: 1. Self-driven and motivated to quickly achieve OUTCOMES. 2. Must be available from 6am MST to 11:30pm MST (mountain standard time) for calls - calls to connect will vary day by day. Must be very responsive via messages. 3. You will manage the workload on your own time, set your own hours outside...

I am seeking a PHP developer to bring my interactive website vision to life. Key Project Requirements: - The website will require interactive features, enhancing user engagement and experience. - The project demands a high level of proficiency in PHP, as this language will be the backbone of the site. - Skills in HTML, CSS, and potentially JavaScript will also be required to ensure a seamless and visually appealing interface. Ideal Candidate: - Proven experience in developing interactive websites using PHP. - Strong knowledge of front-end technologies to ensure a responsive and visually appealing design. - Excellent communication skills and the ability to understand and translate my vision into a functional website.

...proficient in Angular and PHP, with previous experience in integrating new features. This is for a project that involves: - Frontend Development: Enhancements and integration of Angular components into an existing website/application. - Backend Development: Implementation of necessary PHP functionalities to support the new features and ensure smooth operation of the site/application. - Database Integration: Synchronization of the updated features with the database, and ensuring consistent data flow and storage. The primary goal is to integrate CMS features into the existing system. Your role will include planning, execution, and testing to ensure that the new features are successfully integrated. Ideal candidates should have: - Strong knowledge and experience in Angula...

I'm in need of a proficient 3D printer technician to execute tasks including printer maintenance and necessary calibrations for my Creality brand printer. The current problem with my device is that I'm having difficulties in getting the bottom z timing belt back on. Key requirements are as follows: - Familiarity with Creality 3D printers. - Proficient in performing maintenance routines. - Expertise in calibrating and making printer adjustments. The successful applicant will be experienced, able to diagnose the current issue and execute the required tasks professionally and efficiently. High print quality is essential and I expect prompt resolution to this hiccup.

I need a PHP expert to help me fix a translation bug in my system. - The issue specifically affects the English language version of my website, disrupting various interface labels. - It's essential the freelancer is proficient in identifying and rectifying translation bugs in PHP. Your expertise will be invaluable in ensuring my platform is user-friendly and accessible to all English speakers.

I'm in need of a PHP page that helps our agents to send an order. This page should be intuitive and user-friendly while ensuring all necessary information is captured. The platform should be interactive and user-friendly, ensuring a smooth order submission process for our agents. Ideal Skills: - Proficient in PHP - Strong experience in web development - Knowledge in creating secure web forms - Experience in agent-based systems would be a plus Please bid for this project if you believe you have the skills and experience needed to deliver a high-quality, efficient, and secure PHP page for our agents. Our customer sells products (not online, but in shop). He wants to receive orders from agents. I have an excel file containing the products that he wants to sell....

...encountering severe issues with the build process of my Liferay project. I require a freelancer who can effectively optimize the build process and resolve the issues encountered during the build. The overarching goal is to significantly reduce the time taken for the build and ensure the project can be built without any failures. Specifically I am just facing issues configuring the build path and hence getting a Gradle Error Marker for which I have attached a screenshot below. In my opinion the problem just lies in creating the Environment Variables or properly using the correct JDK version required for the task to be completed Note: I am using a Mac OS Ideal skills and experience for this job include: - Extensive experience with Liferay and Gradle, particularly with version...

I'm looking for an expert to create a web-based CRM database aimed at efficiently storing and managing information. The data I intend to keep include: - Customer contact details - Sales history - Communication logs - Course details - Course Refresher notifications This project also requires the creation of functionalities to: - Add new contacts - Update existing contact information - Track sales performance Ideal freelancers should have substantial experience in CRM database development, with knowledge of implementing web-based solutions. Familiarity with training or course-based entities would be a bonus. Your expertise ought to allow seamless additions, updates, and performance tracking of stored information. Demonstrable success in similar projects will be advantageous. ...

I need a developer who send me the php code to contruct a php proyy to embed a m3u8 file with CORS restriction. I can provide you some url examples with m3u8 file which initially you can't embed in other domains, but i've seen that some website with some php code avoid this restriction. Send "I HAVE READ IT" in you bid. I only will pay if you send me the code and it works fine. Note: I need the code in php

I require professional assistance in notarizing a birth certificate issued in Mexico. The document is currently written in Spanish, and my requirement extends to getting it translated into English. The ideal freelancer would: - Have experience in legal document notarization, with a preference for birth certificates - Be fluent in both English and Spanish, to ensure precise translations - Possess background knowledge in Mexican legal documents, to understand the nuances involved. The task involves: - Notarization of the Mexican birth certificate - Complete translation of Spanish content to English - Ensuring the translated copy retains all legal relevance and accuracy Applicants should have experience in legal translation and notarization of documents. Fluency in both Span...

I have this proyect and I am looking for a developer that has time available to work on the proyect. It is a long term proyect. I need someone with experience in PHP, Laravel, HTML I need to create a copy of a product page. Here is the info needed on the page;

...of this project is to build links on educational or government websites to drive targeted traffic to my site. Key Objectives: - Emphasizing on educational and government sites: As an SEO expert, you should have a proven track record of success with link building on these types of sites. - Quality over quantity: I value high-quality backlinks over sheer volume. Your work should be focused on getting me links from reputable and authoritative sources. - Drive targeted traffic: The primary goal of this activity is to increase the amount of targeted visitors to my site. You should understand the importance of attracting the right audience to my business. Ideal Skills and Experience: - Previous success with link building on educational and government websites. - Familiarity with S...

Help me with existing project to optimize the performance of core functionality and add some basic new functionalities. If you're genuine bidder then please write "php&python" in starting of your bid. This is kind of urgent and need to do it in around 1-2 weeks.

I have a small LinkedIn network of less than 1100 connections and 1500 followers. I'm looking for someone who can help me consolidate their details into a neat spreadsheet with their emails. Key Requirements: - Extracting email addresses: You'll need t...their emails. Key Requirements: - Extracting email addresses: You'll need to be able to extract the email addresses of my connections and followers. - Data presentation: Organize the data in a clear, logical manner which makes the spreadsheet easy to navigate. - Timeliness: I'm aiming for a quick turnaround on this project, ideally within 24-48 hours. Since I have explicit permission from my contacts to collect their emails, this project is ethical and should proceed smoothly. I'm looking forward to seein...

This is my website i want to increase sales on it using Facebook ads tried many times with many people every time just getting clicks and no output (sales) so if you can increase the sales then only take this project

I have a PHP site hosted, but it's unfortunately not going live as intended. I need a skilled PHP developer to troubleshoot the site, identify the issue, and implement the necessary fixes to ensure it functions correctly. Key Deliverables: - Diagnose the issue causing the site to not go live - Implement the necessary fixes to ensure the site functions as intended - Provide me with the corrected file for future installation I'm experiencing error messages when I attempt to access the site. So it's crucial to not only fix the issue but also ensure it doesn't reoccur, making the site deployment-ready. Ideal Freelancer: - Experienced PHP developer with a proven track record of troubleshooting and fixing website issues - Strong problem-solving skill...

I have a iOS application with a few bugs that needs fixing and adding the function of inviting phone contacts to our app. iOS applicaiton built in: - Objective C - Native App and UIKit I will share the speciication document when we speak in freelancer chat.

Hello All, We are an established IT services provider with 13 years of experience and a team of 25 in-house developers. Currently, we are looking to hire some freelancers because we are at full capacity and do not have sufficient resources to handle some of our work. We are seeking a long-term partnership and are willing to provide 20-30 hours of work per week. We welcome both experienced freelancers and those new to this platform who have significant prior experience, such as working in a company before starting their freelance career. This job post is open to all qualified candidates. Now, let's discuss the job requirements, which are urgently needed: We require an expert Laravel Developer who is well-versed in third-party APIs. The candidate must have experience working on inco...

I am seeking a proficient dashboard developer to create a comprehensive and professional stock dashboard that will provide me with updated, real-time data and historical performance of approximately 50 stocks from both US and European markets. This dashboard will serve as my princi...professional. I'm open to vibrant colors or minimalistic elements in order to easily visualice limit alerts. Ideal Skills: - Experience in both front-end and back-end development - Knowledge in financial markets, specifically NYSE, NASDAQ, and LSE. - Proficiency in integrating real-time market data APIs - Experience in developing financial dashboards would be a plus. I'm looking forward to getting the best out of this investment. Let's create a tool that will make managing portfolios...

...freelancer who can help with B2B lead generation with a focus on the consumer goods sector. Key responsibilities: - Generate targeted leads: The main responsibility will be to find and gather leads specifically within the consumer goods sector. These leads should be from businesses, not from consumers themselves. - Specific decision-maker contacts: I need contact details for specific decision-makers within the consumer goods companies. These contacts should be the key individuals who play a role in making purchasing decisions. Ideal Skills: - Experience in B2B Lead Generation: A strong background in B2B lead generation is essential for this project. - Knowledge of the Consumer Goods Sector: A good understanding of the consumer goods industry will be a big advantage. - ...

This project is focused on i...Research: I have some specific keywords in mind but I am also open for additional suggestions that you may offer. It's important that you understand my industry (Craniosacral Therapy - a complimentary therapy) and know what keywords to target. - Analytics & Reporting: Your analytical skills will be essential in tracking progress, analyzing trends and providing reports. This is not just about getting more traffic to the site, it's about attracting the right kind of traffic that will convert. Your experience in boosting conversion rates should come in handy. Your job will be to assist in improving my site's ranking in the search engines, drawing more organic traffic and ultimately boosting conversion rates. Please detail your strate...

I need a professional content creator skilled in human development to provide me with 30 video scripts and ideas for my business centered on getting rid of old block how nervous system control you, personal growth, overcoming fears, and building self-confidence. Each script should be educational and informative, while maintaining a concise length of 1-3 minutes. Key Requirements: - A solid understanding of human development, personal growth, and related topics - Proven experience in creating concise and engaging video scripts - Ability to convey complex information in an easy-to-understand manner - Strong writing skills with a focus on educational content - Previous experience with similar projects is highly preferred Your work will play a crucial role in helping individuals over...

Hi, Um getting an error at my website: Warning: Creating default object from empty value in /home/chezluis/public_html/wp-content/plugins/canteen-essential/inc/framework/ReduxCore/inc/ Need desapear this from homepage...

I'm in need of a professional resume tailored for the technology industry. This resume should be ATS (Applicant Tracking System) friendly and highlight my expertise in DevOps and Site Reliability Engineering. The final resume should be provided in PDF format. Ideal freelancers for this project would have: - Experience in resume writing, specifically for technolo...overlooked - Ability to highlight specific skills for DevOps / Site Reliability Engineering - Exceptional writing, formatting, and design skills to make the resume stand out Craft the content carefully, with a full grasp of the technology industry standards and jargon. Your attention to detail will be vastly appreciated. Looking forward to working with a professional who can enhance my chances of getting noticed in ...

I have a WordPress site which needs a complete makeover. I'm looking for a developer with strong PHP skills to implement the necessary changes. Specifically, I need a talented individual to customize the theme of my WordPress website, focusing on the color scheme, layout structure, and font styles. Key Responsibilities: - Customize the color scheme of the website to align with our brand identity. - Implement changes to the layout structure of the site for improved user experience. - Modify the font styles across the website to achieve a consistent aesthetic. Ideal Skills and Experience: - Strong proficiency in PHP, with experience in WordPress. - A portfolio demonstrating successful customization of WordPress themes. - A good eye for design, with the ability to harmoni...

...freelancer who can help with B2B lead generation, with a focus on the consumer goods sector. Key responsibilities: - Generate targeted leads: The main responsibility will be to find and gather leads specifically within the consumer goods sector. These leads should be from businesses, not from consumers themselves. - Specific decision-maker contacts: I need contact details for specific decision-makers within the consumer goods companies. These contacts should be the key individuals who play a role in making purchasing decisions. Ideal Skills: - Experience in B2B Lead Generation: A strong background in B2B lead generation is essential for this project. - Knowledge of the Consumer Goods Sector: A good understanding of the consumer goods industry will be a big advantage. -...

Hello, please do not apply if you do not have experience in writing Amazon appeals and successfully getting accounts reinstated. My Amazon account was recently deactivated due to Product Authenticity Customer Complaints and Restricted product policy violations. I need an expert to help me write an excellent appeal that will get my account reinstated. You must have experience and provide proof that you are well versed in Amazon and have successfully helped other sellers get their accounts reactivated. You need to know the ins and outs of submitted successful appeal letters. You need to edit a few invoices for three products according to Amazon's instructions as I am unable to provide genuine invoices. The right candidate will have a comprehensive understanding of what consti...

I'm looking to bring my ceramic tile project to life, but I need some help with the creative aspects. I've left the type of tiles and primary application open as I’m more focused on getting the right design assistance. - Seeking: An expert in ceramic tiles with a creative flair. - Assistance with color and pattern selection to create a unique aesthetic. - Open to discussing the use of tiles for varied applications. Ideal Candidate: - Experience with interior design, especially with ceramic tiles. - Strong portfolio showcasing diverse color and pattern choices. - Consultative approach to client requirements. - Ability to advise on different tile types regarding suitability for potential applications (residential, commercial, industrial). Essentially, I'm looki...

...looking for a skilled developer to add a small module to my existing app built with PHP. The main functionality of the module will be user registration, excel upload, and assigning packages. Key Requirements: - Develop a user registration system: The module should collect the following user information: Name, Email address, Phone number, password, course, batch. - Implement an excel upload feature: Users should be able to upload excel files select of course and batch - Enable package assignment: The module should allow for the assignment of packages to users. while user registration or excel upload Ideal Skills and Experience: - Proficient in PHP: As the app is built on this platform, a strong expertise in PHP is essential. - Experience in user registration system...

I am looking for a professional who can help me sell computer motherboards and other related equipment to IT departments in various businesses. The ideal candidate should have: - Prior experience in B2B sales, particularly in the tech industry - A network or the ability to establish contacts with IT departments - Familiarity with the industrial electronics market, including both new and used equipment - Good communication and negotiation skills - A proactive and results-driven approach to generating leads and closing deals Your primary responsibilities will include: - Identifying potential clients in the IT departments of businesses - Pitching our range of computer components, particularly motherboards - Negotiating deals and ultimately closing sales - Maintaining strong client re...

I am looking for a skilled developer who can create an advanced chatbot for my PHP-based CRM. The key aspects of this project include: - Chatbot for Customer Support: The primary function of this chatbot will be to handle customer inquiries and provide advanced problem-solving support. - Integration with PHP CRM: The chatbot needs to seamlessly integrate with my current CRM system. - GPT AI: The preferred technology for the chatbot is GPT-based AI. - Customization: I would like the chatbot to be fully customizable and easy to program for future updates and modifications. Ideal Skills: - Proficient in PHP, GPT AI, and CRM integrations - Experience in developing advanced chatbots for customer support - Ability to create customizable and easy to program solutions ...

Hey you! Do you have more than 6 years as a Laravel Developer? Can you prove it? Can you prove/provide evidence of what you have personally done as a developer? Does compliance to high security standards, encyption at rest, encryption in transit, AES 256, SHA 256 mean something to you? Are you willing to join an existing project? Are you willing to work for a flat monthly salary? Then this job may be for you. Our team is hard at work building a web application. We currently need an additional developer to assist with some key activities. You will be assigned duties by our Application Team Leader. Shoot us a quick message if interested. No agencies or middle men please.

We are looking for a highly skilled development team to recreate a complex web platform in JavaScript. This is expected to be a three to six month project, requiring a minimum of six full time developers. This platform will reside on the AWS network, preferably using MySql and Linux. We will be recreating a PHP/MySQL platform to a JavaScript/MySQL platform with approximately 200 features. This new platform will require a significant upgraded user experience, integration of animated graphics and faster reports processing. Our current platform has some components that are 10 to 20 years old. You will be creating from scratch and not using ANY of the current code. Key Developer Requirements: - Extensive experience in JavaScript platform development. - Access to skilled User Experien...

We need someone to generate training data (150 posts) to help us train an AI for our site Needpedia.org. We've already set up a custom gpt through openai that can tak...and ideas) Problem posts: a few lines of text, tags, a few statistics with sources cited, and a section for "potential harm". Idea posts: : a few lines of text, tags, and a few statistics with sources cited. One last thing, we're bulk uploading to Needpedia using csv files so we need you to pass us the training data in that format. AI can do that pretty easily once the content's generated but getting it to do everything all on its own has been hard. So far we've gotten the best result from our custom gpt by inputting one 'tri-prompt' at a time (a related subject, problem, an...

I'm looking for a skilled WooCommerce developer with expertise in PHP and shipping API integration to help me implement a shipment tracking feature for my online store. Ideal skills and experience would include: - Strong proficiency in PHP and WooCommerce - Extensive experience in integrating shipment tracking APIs - Familiarity with Royal Mail / ParcelForce shipping services - Good understanding of customer satisfaction strategies in an e-commerce setting Key responsibilities include: - Integrating the shipment tracking feature into my WooCommerce site - Ensuring the feature is seamless, user-friendly, and integrates well with the existing site - Making sure that the tracking feature is reliable and accurately reflects the status of the shipments - Offering suggestio...

I just need one task to be done I'm in need of a PHP Developer for a new project. The parameters and required skills are fairly open, as I've not declared any specific frameworks or preferences. Ideal candidates include those who possess: - Broad knowledge of PHP across various frameworks. Although Laravel, CodeIgniter, and WordPress were the options given, these indications were not selected, thus creating an open space for any skilled PHP professional to apply. - Experience in both website and web application development. There's an opportunity to work on several PHP development projects, potentially ranging from website building, application creation, to API integrations. - An impressive design eye. I've left the space open for any desig...

...website. Here's what I need: - **Migration Issue:** The problem I'm experiencing is related to theme and plugin compatibility following the migration from a server running PHP 7.2.4 where the site worked to a server running PHP 8.2. The front end of the site works but now access to the back end gives the error "There has been a critical error on this website. Learn more about troubleshooting WordPress." I need someone to correct the code so that it works correctly. I believe that the issue may be connected to WPBakery To excel in this project, you should be highly experienced in Wordpress, with a deep understanding of PHP, theme and plugin compatibility issues. Your ability to troubleshoot and resolve migration issues will be crucial. I&...

...professional web developer to upgrade my PHP-based website (CodeIgniter). The current website front end is outdated and the PHP version needs to upgraded too. Key Requirements: - Modernize the User Interface: I want the design to look fresh, modern, and appealing to visitors. We will provide the HTML design for all the pages. - Improve User Experience - Incorporate New Branding Elements - Upgrade the CI/ PHP version to the latest version - The site has a sub login area where the profiles of users are listed. - The users submit their listing info from the front end which creates the profiles. - There is a search function to filter profiles - Ensure the contact forms and all the functions of the site are functional Skills and Experience: - Proficient in PHP...

... to reach out to contacts and inquire about their clients, specifically business owners who may be interested in selling their businesses. Key Requirements: - Configuring : I am seeking a professional who can set up my instance of to effectively reach out to a wide network of professionals (accountants, financial advisors, bankers, wealth managers) with the aim to identify potential sellers among their clientele. - Contacting Professionals: Your role will be to utilize to establish contact with these professionals and to inquire about any potential business owners among their clients who might be interested in selling their businesses. - Handling Large Scale: You should be able to manage a large number of contacts and understand how to make