Social Networking Tools Underused?

As a counterweight to all the lyric articles about social networking tools, I think it's good to read this article as well. Something to think about......

Social Networking: Why are Conversation and Collaboration Tools so Underused?
http://blogs.salon.com/0002007/2006/08/27.html#a1624

For the Dutch readers of this blog, the comments of Wilfred Rubens about the article above:
http://wilfredrubens.typepad.com/wilfred_rubens_weblog/2006/08/waarom_worden_s.html

And another take on the numbers of (this time) students using social networking (96%):
http://simply-speaking.blogspot.com/2007/08/social-networking-in-education.html