Twitter was created and launched by Jack Dorsey, Evan Williams, Biz Stone and Noah Glass in 2006.It has 500 million plus registered users. Tweets are short messages of less than 140 characters. Everyday, more than 350 million tweets are posted. It handles 1.6 billion search queries per day.It is one of the most visited sites in the world.It has yet to make money out of this traffic.Jay Leno’s joke about Facebook buying Twitter : It will create the biggest waste of time the world has ever seen. Old- style media readers are wedded to pen, paper and the printed word –none of these make sense to the users of the new media.