2006–2007: Creation and initial reaction
"Twitter all began with status-sharing service TXTMob," explains an article on TNW. Tad Hirsch, a student and activist associated with the See more

Daily user estimates vary as the company does not publish statistics on active accounts. A February 2009 Compete.com blog entry ranked Twitter as the third most used social network … See more

Revenue sources
On April 13, 2010, Twitter announced plans to offer paid advertising for companies that would be able to purchase "promoted tweets" to appear in selective search results on the Twitter website, similar to See more

Verified accounts
In June 2009, after being criticized by Kanye West and sued by Tony La Russa over unauthorized … See more

Tweets
Tweets were publicly visible by default, but senders can restrict message delivery to only their followers. Users can mute users they do not wish to … See more

When it was known as Twitter, X was internationally identifiable by its signature bird logo, or the Twitter Bird. The original logo, which was simply the word Twitter, was in use from its … See more

Implementation
Twitter relies on open-source software. The Twitter Web interface uses the Ruby on Rails framework, deployed on a performance … See more