Background for twitter services

Twitter is a social networking service that enables users to send and read short messages called "tweets". Tweets are limited to 140 characters, and can be sent via the Twitter website, through Short Message Service (SMS), or through a variety of applications. Twitter was founded in March 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams and launched in July of that year. The service rapidly gained worldwide popularity, with over 340 million users as of 2012, generating over 340 million tweets daily and handling over 1.6 billion search queries per day.

Twitter is a social networking service that allows users to send and read short 140-character messages called "tweets". registered users can read and post tweets, but unregistered users can only read them. Twitter was created in March 2006 by Jack Dorsey and launched that July. The service rapidly gained worldwide popularity. In 2012, more than 100 million users posted 340 million tweets a day, and the service handled an average of 1.6 billion search queries per day.

Twitter is a social networking site that enables its users to send and read short messages called “tweets”. Tweets are limited to 140 characters and users can post them via the Twitter website, through Short Message Service (SMS) or from a number of applications for mobile devices. Twitter was founded in March 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams and has become one of the most popular social networking sites on the Internet. As of June 2012, Twitter had over 500 million active users.