eBay

Amazon.com, Inc. is an American multinational technology company which focuses on e-commerce, cloud computing, digital streaming, and artificial intelligence. It is one of the Big Five companies in the U.S. information technology industry. The company has been referred to as "one of the most influential economic and cultural forces in the world", as well as the world's most valuable brand.

Airbnb, Inc. is an American company that operates an online marketplace for lodging, primarily homestays for vacation rentals, and tourism activities. Based in San Francisco, California, the platform is accessible via website and mobile app. Airbnb does not own any of the listed properties; instead, it profits by receiving commission from each booking. The company was founded in 2008 by Brian Chesky, Nathan Blecharczyk and Joe Gebbia. Airbnb is a shortened version of its original name, AirBedandBreakfast.com.

The company has been criticized for possibly driving up home rents and creating nuisances for those living near leased properties. The company is regulated by many jurisdictions, including the European Union and cities such as San Francisco and New York City. It is viewed as a competitive threat by the hotel industry.

Postman is an API platform for building, testing and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.

Binance is a cryptocurrency exchange which is currently the largest exchange in the world in terms of daily trading volume of cryptocurrencies. It was founded in 2017 and is registered in the Cayman Islands.

Binance was founded by Changpeng Zhao, a developer who had previously created high frequency trading software. Binance was initially based in China, but later moved its headquarters out of China following the Chinese government's increasing regulation of cryptocurrency.

Binance is currently under investigation by both the United States Department of Justice and Internal Revenue Service on allegations of money laundering and tax offenses. The UK's Financial Conduct Authority ordered Binance to stop all regulated activity in the United Kingdom in June 2021.

Discord is an American VoIP, instant messaging and digital distribution platform designed for creating communities. Users communicate with voice calls, video calls, text messaging, media and files in private chats or as part of communities called "servers." 

Servers are a collection of persistent chat rooms and voice chat channels. Discord runs on Windows, macOS, Android, iOS, iPadOS, Linux, and in web browsers. As of 2021, the service has over 350 million registered users and over 150 million monthly active users.

Uber Technologies, Inc., commonly known as Uber, is an American mobility as a service provider based in San Francisco, with operations in over 900 metropolitan areas worldwide. Its services include ride-hailing, food delivery (Uber Eats and Postmates), package delivery, couriers, freight transportation,electric bicycle and motorized scooter rental via a partnership with Lime, and ferry transport in partnership with local operators. Uber does not own any vehicles; instead, it receives a 25% commission from each booking. Fares are quoted to the customer in advance but vary using a dynamic pricing model based on the local supply and demand at the time of the booking.

The Xbox app is an app for Windows 8, Windows 10, Windows 11, Android, and iOS. It acts as a companion app for Xbox video game consoles, providing access to Xbox Live community features, remote control, as well as second screen functionality (formerly branded as SmartGlass) with selected games, applications, and content.

On Windows 10, the app additionally serves as a launcher for PC games installed on a device (including games obtained from Microsoft Store, Bethesda.net, Steam, GOG.com, Epic Games Store, Humble Bundle, Battle.net, Origin and Ubisoft Connect), provided access to the system's screen recording functions, and streaming of games from an Xbox One console on a local network.

Xcode is Apple's integrated development environment (IDE) for macOS, used to develop software for macOS, iOS, iPadOS, watchOS, and tvOS. It was first released in 2003; the latest stable release is version 13.1, released on October 25, 2021, and is available via the Mac App Store free of charge for macOS Monterey users. Registered developers can download preview releases and prior versions of the suite through the Apple Developer website. Xcode includes Command Line Tools (CLT), which enable UNIX-style development via the Terminal app in macOS. They can also be downloaded and installed without the GUI.

Microsoft Outlook is a personal information manager software system from Microsoft, available as a part of the Microsoft Office suite. Though primarily an email client, Outlook also includes such functions as calendaring, task managing, contact managing, note-taking, journal logging, and web browsing.

Instagram (commonly abbreviated to IG or Insta) is an American photo and video sharing social networking service owned by Facebook, created by Kevin Systrom and Mike Krieger and originally launched on iOS in October 2010. The Android version was released in April 2012, followed by a feature-limited desktop interface in November 2012, a Fire OS app in June 2014, and an app for Windows 10 in October 2016. The app allows users to upload media that can be edited with filters and organized by hashtags and geographical tagging. Posts can be shared publicly or with pre-approved followers. Users can browse other users' content by tags and locations and view trending content. Users can like photos and follow other users to add their content to a feed, a function that seems to be discontinued as of September 2020.

Instagram was originally distinguished by only allowing content to be framed in a square (1:1) aspect ratio with 640 pixels to match the display width of the iPhone at the time. In 2015, these restrictions were eased with an increase to 1080 pixels. The service also added messaging features, the ability to include multiple images or videos in a single post, and a Stories feature—similar to its main opposition Snapchat—which allows users to post photos and videos to a sequential feed, with each post accessible by others for 24 hours each. As of January 2019, the Stories feature is used by 500 million users daily.

After its launch in 2010, Instagram rapidly gained popularity, with one million registered users in two months, 10 million in a year, and 1 billion as of June 2018. In April 2012, Facebook acquired the service for approximately US$1 billion in cash and stock. As of October 2015, over 40 billion photos had been uploaded. Although praised for its influence, Instagram has been the subject of criticism, most notably for policy and interface changes, allegations of censorship, and illegal or improper content uploaded by users.

As of January 2021, the most followed person is footballer Cristiano Ronaldo with over 253 millionfollowers. As of January 14, 2019, the most-liked photo on Instagram is a picture of an egg, posted by the account @world_record_egg, created with the sole purpose of surpassing the previous record of 18 million likes on a Kylie Jenner post. The picture currently has over 54 million likes. Instagram became the 4th most downloaded mobile app of the 2010s.

Gmail is a free email service provided by Google. As of 2019, it had 1.5 billion active users worldwide. A user typically accesses Gmail in a web browser or the official mobile app. Google also supports the use of email clients via the POP and IMAP protocols.

Google Chrome is a cross-platform web browser developed by Google. It was first released in 2008 for Microsoft Windows, built with free software components from Apple WebKit and Mozilla Firefox. It was later ported to Linux, macOS, iOS, and Android, where it is the default browser. The browser is also the main component of Chrome OS, where it serves as the platform for web applications.

As of October 2021, StatCounter estimates that Chrome has a 68% worldwide browser market share (after peaking at 72.38% in November 2018) on personal computers (PC), is most used on tablets (having surpassed Safari), and is also dominant on smartphones, and at 65% across all platforms combined.

DuckDuckGo (also abbreviated as DDG) is an internet search engine that emphasizes protecting searchers' privacy and avoiding the filter bubble of personalized search results. DuckDuckGo does not show search results from content farms. It uses various APIs of other websites to show quick results to queries and for traditional links it uses the help of its partners (mainly Bing) and its own crawler.

The company is based in Paoli, Pennsylvania, in Greater Philadelphia and had 149 employees as of October 2021. The company name is a reference to the children's game duck, duck, goose.

Yahoo! Mail is an email service launched on October 8, 1997, by the American company Yahoo, Inc. It offers four different email plans: three for personal use (Basic, Plus, and Ad Free) and another for businesses. As of January 2020, Yahoo! Mail has 225 million users.

Users are able to access and manage their mailboxes using webmail interface, accessible using a standard web browser. Some accounts also supported the use of standard mail protocols (POP3 and SMTP). Since 2015, users can also connect non-Yahoo e-mail accounts to the webmail client.

Safari is a graphical web browser that is developed by Apple. It is primarily based on open-source software properties, and mainly WebKit. It succeeded Netscape Navigator, Cyberdog and the most recent Internet Explorer for Mac as the default web browser for Macintosh computers. It is supported on macOS, iOS, and iPadOS; a Windows version was offered from 2007 to 2010.

Safari was introduced within the Mac OS X Panther in January 2003, and as of 2021, spawned a total of 15 revisions. The third generation (January 2007) brought compatibility to the iPhone via iPhone OS 1, while the Macintosh edition was topped with the fastest browser performance at that time. The fifth version (June 2010) made uses of a less distracted screen reader, extension and developer tools; it was also the final version for Windows. In the eleventh version (September 2017), it added supports for the Intelligent Tracking Prevention. The thirteenth version included various privacy and application updates such as the FIDO2 USB security key authentication and Web Apple Pay support. The fourteenth version (November 2020) was the most-previous revision of Safari. The 2020 version was 50% faster than Google Chrome, and it consumed less battery than other standard competitors. The fifteenth version (July 2021) was the current revision, featuring a redesigned interface.