Social networking Web sites have become more popular in recent years, especially among hard-to-reach group of younger voters. Online communities such as MySpace and Facebook are most popular among high school and college students. MySpace, for example, had more than 61 million registered users with the primary age demographic of 16-34 at end of 2006. Both MySpace and Facebook have the faithful group of daily visitors. While much of online communication on these social networks can be described as nonpolitical in ...