Twitter is an online social networking service and microblogging service that enables its users to send and read text-based posts of up to 140 characters, known as “tweets”.
It was created in March 2006 by Jack Dorsey and launched that July. The service rapidly gained worldwide popularity, with over 500 million active users as of 2012, generating over 340 million tweets daily and handling over 1.6 billion search queries per day.
Since its launch, the Twitter website has become one of the top 10 most visited on the Internet, and has been described as “the SMS of the Internet.” Unregistered users can read the tweets, while registered users can post tweets through the website interface, SMS, or a range of apps for mobile devices.
Top 20 most followed on Twitter (9 July 2012):
Top 20 most followed on Twitter Infographics
