Twitter is a website, owned and operated by Twitter Inc., which offers a social
networking and microblogging service, enabling its users to send and read messages
called tweets. Tweets are text-based posts of up to 140 characters displayed on the
user's profile page.
The website is based in San Francisco. Twitter also has servers and offices in San
Antonio and Boston. Twitter, Inc. was originally incorporated in California, but as
of 2011 is incorporated in Delaware.
Twitter was produced in March 2006 by Jack Dorsey and launched in July. Since then
Twitter has gained popularity worldwide and is estimated to have 200 million users,
generating 65 million tweets a day and handling over 800,000 search queries per
day. It is sometimes described as the "SMS of the Internet