Any Comments on "Connected: The Surprising Power of Our Social Networks and How They Shape Our Lives"

I heard an interview with the authors of this book on NPR Science Friday on 9/25/2009.

This book reminded me of some of Mike and Mark's discussions.

Has anyone read this?  Thumbs up? down?

Thanks,
Steve

Link to story -- http://www.sciencefriday.com/program/archives/200909255

Link to book on Amazon -- http://www.amazon.com/gp/product/0316036145/ref=cm_sw_em_r_dp