People love to trivialize things like Twitter, Facebook, blogs, text messaging and such as wastes of time that make  the youth of today dumber. What those people fail to realize is that these are the greatest weapons that people without a lot of power have against the powerful; just look at what is happening in Iran: http://www.breitbart.com/article.php?id=CNG.28f15ccf6415fb715cc41b255a013138.c11&show_article=1
The only way corrupt governments can survive is if they control information. That is getting harder and harder to do with an army of regular people with Cell Phones and Laptops that can communicate. Corrupt governments can do their best to try to block websites or access to the net all together, but they will never be a match for punk ass hacker kids. Viva La Revolution! One Tweet at a time.