Its been a fabulous year for social networking giants, Facebook Inc now has more than 800 million active users,adding more than 200 million of those in the last year alone. Micro-blogging site Twitter which has more than 100 million active users about a fifth of whom are in the USA. LinkedIN has 64 million users from North America.These social platforms also now play a major role in the way that we receive and share news, becoming an important, on-the-spot source of news themselves. Internet Researching Firm Dream Systems Media took data provided by AdAge and converted the numbers into infographic.
