Twitter was launched publicly five years ago, on July 13, 2006, and has gone from an unknown text-messaging and Web service then called Twttr to one of the biggest forces in social media.

[...]

The fifth birthday for the social networking service, now used by about 13% of U.S. adults online according to Pew Research Center estimates, has been celebrated by Twitter since about March, which is the month that the programming to build the service got started back in '06.

Read More