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the free encyclopedia that anyone can edit. 6,822,455 articles in English. From today's featured article. Leucippus was a Greek philosopher of the 5th century BCE. He is credited with founding atomism, with his student Democritus. Leucippus divided the world into two entities: atoms, indivisible particles that make up all things, and the void ...
Facebook is a social networking service originally launched as TheFacebook on February 4, 2004, before changing its name to simply Facebook in August 2005. [1] It was founded by Mark Zuckerberg, Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes. [2]
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Facebook is a social media and social networking service owned by the American technology conglomerate Meta. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name derives from the face book directories often given to American university students.
It was built by Mark Zuckerberg. It is owned by Meta, Inc. [6] As of September 2012, Facebook has over one billion active users. [7] Users may make a personal profile, add other users as friends, and send messages. Facebook users must register before using the site.
- United States (2004–present), Worldwide, except blocking countries (2005–present)
- Meta, Inc.
- Multilingual (166; as of 16 July 2020)[ref]
- Social networking service, Publisher
Messenger, also known as Facebook Messenger, is an American proprietary instant messaging app and platform developed by Meta Platforms. Originally developed as Facebook Chat in 2008, the company revamped its messaging service in 2010, released standalone iOS and Android apps in 2011, and released standalone Facebook Portal hardware for ...
Wikipedia is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the use of the wiki-based editing system MediaWiki. Wikipedia is the largest and most-read reference work in history.
