Founder(s): Jack Dorsey, Noah Glass, Biz Stone, Evan Williams
Founded: March 21, 2006
Type Of Site: Social Networking & News
Use: Social networking, product & service promotions, messaging, news
Nature Of Business: Public
Headquarters: San Francisco, California, U.S.
Area Served: Worldwide excepts blocking countries
Industry Type: Internet
Twitter is a social networking and news service where users post and interact with "tweets." These tweets were originally restricted to 140 characters, but on November 7, 2017, the limit was 280 characters. Users can post tweets, but those who are unregistered can only read them. Users access Twitter through its website interface or mobile app. Twitter, Inc. is based in San Francisco, California, United States, and has more than 25 offices around the world.