A tiny fraction of those who use the fast-growing social network phenomenon Twitter generate nearly all the content, a Harvard study shows.That makes it hard for companies to use the micro-blogging site as an accurate gauge of public opinion, the Harvard Business School study showed.
http://uk.reuters.com/article/internetNews/idUKTRE55381J20090604
http://in.reuters.com/article/technologyNews/idINIndia-40101620090605
Just a few on Twitter do all the tweeting: study
A tiny fraction of those who use the fast-growing social network phenomenon Twitter generate nearly all the content, a Harvard study shows.