Social Networking and Physical Health

After watching a TED talk by Nicholas Christakis on social networking entitled The hidden influence of social networks I wonder if our newly awakened awareness of social networks through regular interactions with Twitter and Facebook (to name just two) are making us more capable, as a culture/species, to consider the impact of networks on our health and vitality in ways that were oblivious to us only a decade ago.

New Network by EMU Students

Here's something interesting. Three EMU grads have set up uSurvive.com, a social network for university students. They are basing it on the Facebook model but participants can eary activity points which they can exchange for t-shirts and other items.