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 Fransisco. 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 190 million tweets a day and handling over 1.6 billion search queries per day. It is sometimes described as the ” SMS of the Internet”.