Asia Bizz: Micro-blogging website Twitter completed 5 years of it’s existence on Monday, and to commemorate the occasion, a promo video of celebs talking about the reason they use Twitter was released. On March 21, 2006, Twitter co-founder Jack Dorsey wrote the first tweet, and 5 years on, the website has more than 200 million active users firing off millions of tweets each day.

Twitter’s 5th birthday video features famous stars like Snoop Dogg, Richard Branson, Serena Williams among others who open up about their experience and the usage of Twitter in their everyday life.

Twitter Inc. manages the social networking and microblogging website, where users can post messages of upto 140 characters – which are famously known as “tweets“. According to Alexa’s web traffic report, Twitter ranks among one of top ten frequently visited websites in the world.

Envisioned as an SMS-based network, the website has become a lifeline in times of crises across the world, where any sort of news updates are not immediately available.

The company came into existence back in 2006, and was the brain child of Jack Dorsey, Biz Stone and Evan Williams while they were working at Odeo – a podcasting company. Currently, Dick Costolo is the CEO of Twitter, while Dorsey is the Chairman of the board.