From Tweet to Roar: The (R)evolution of Twitter

Less than 10 years ago, when Twitter was just a twinkle in co-creator Jack Dorsey’s eye, a “tweet” was simply the sound a bird made. Billions upon billions of 140-character bursts of information later, Twitter has become a major player in how the world collects and disseminates information.

 source :  http://www.socialappshq.com/blog/2013/10/15/from-tweet-to-roar-the-revolution-of-twitter/