BizSugar.com › Social Media › Zany Twitter Promo Video From 2006 | Online Media Gazette

At the end of 2009, Twitter now has over 75 million user accounts registered. Wikipedia describes Twitter as a free social networking and microblogging service that enables it users to send and read messages known as tweets. It was first launched on March 21, 2006 at 9:50 PM Pacific Standard Time (PST): “just setting up my twttr”.