Perspective: Social networking for all?

CNET News.com: "So far, social networking is mostly for the young and digitally restless.
Sites that cater to the teen and twentysomething crowd, like MySpace, Facebook and Xanga, consistently top the charts. Two of every three people in the United States now visit social-networking sites, and roughly 90 percent of young people are online.
In the world of cell phones, more than 63 percent of Americans between the ages of 18 and 27 now send text messages. The number of text messages sent per month is expected to increase from 8 billion today to 80 billion in 2008. "