Future Media/Social Networking - An On-Line Phenomenon

On-line social networking is a web phenomenon almost beyond compare. At least ten million people have dated on-line as of the beginning of 2008 and the average Myspace site is getting forty hits per day.

If a large part of success is "all about who you know", is on-line social networking the most effective way to build a sphere of friends? Are Facebook and Myspace trends that have reshaped the course of social interaction, or just a total waste of time?