Social Networks

As of now I am another face in the Facebook and another link in Linkedin. I can see the potential of Social Networks in general, but I cannot see any immediate applications for libraries. I have to admit that I found the two examples of library presence on Myspace rather disappointing. There were also nice surprises: finding pages of friends I hadn't been in touch with for a long time, and pages of people I know but didn't know too much about. There were some revelations and some surprises ... and "six degrees of separation" in action...