Is Twitter the news outlet for the 21st century?

"I like to refer to Marshall McLuhan's description of media as `an extension of our senses.' Now, Twitter is extending our senses to tens of millions of people who are often right on the scene where things are happening."

http://noticias.aol.com/articulos/_a/is-twitter-the-news-outlet-for-the-21st/n20090701091409990009