Gaming for a better world

A friend just mentioned on Facebook she was attending a lecture by Jane McGonigal talking about the social benefits of Gaming. I googled her name and found these two TED talks that look really interesting.

http://www.ted.com/talks/jane_mcgonigal_gaming_can_make_a_better_world.html

http://www.ted.com/talks/jane_mcgonigal_the_game_that_can_give_you_10_extra_years_of_life.html