Facebook Inc., also known as Facebook, a Fortune 500 company, a listed company, founded by Mark Zuckerberg, is a world-famous social networking service website, the world's leading photo-sharing site, and a valuable Internet technology company in the world

Facebook is a social networking service in the United States, founded on February 4, 2004, headquartered in Paraalto, California, USA, and released the Windows version of the desktop chat software Facebook Messenger on March 6, 2012. Main founder Mark Zuckerberg. On May 18, 2012, Facebook was listed on the NASDAQ stock exchange in the United States under the ticker symbol FB. In February 2013, Businessinsider, a well-known American technology blog network, listed the top 20 largest websites in the world according to the data of comScore, an Internet traffic monitoring agency, and the top of the list was Facebook's 836.7 million unique visitors.

Facebook is the world's leading photo-sharing site, uploading about 350 million photos per day as of November 2013. As of May 2012, Facebook had about 900 million users.

Facebook is based in Menlo Park, Silicon Valley, at 1 Hacker Way. As of September 11, 2006, any user can join by entering a valid email address and their age range.

On August 28, 2015, the number of users exceeded 1 billion in a single day.Facebook has been blocked in China since 2009 for social and political reasons, but Facebook has also been in constant contact with China's tech community, hoping to get the Chinese government's floodgates by investing in Chinese tech companies.

On June 8, 2016, the "2016 BrandZ Top 100 Most Valuable Brands in the World" was announced, and Facebook ranked 5th.

On December 16, 2016, Facebook launched a rumor moderation feature, and it is working with the International Fact-Checking Network (IFCN), a professional organization, to invite its contracted member institutions to use a tool they have developed to assess the veracity of information in their feeds.

On December 21, 2016, Facebook launched live audio.

In February 2017, Brand Finance released the 2017 list of the world's top 500 brands, and Facebook ranked 9th.

In the 2017 Fortune 500 U.S. rankings, Face Book ranked 98th.

In June 2017, the "2017 BrandZ Most Valuable Global Trust Choice" was announced, and Face book ranked 5th.