6 ms·
answer this question? http://www.youtube.com/watch?v=tClHDEoje6Y&feature=player_embedded http://www.youtube.com/watch?v=tClHDEoje6Y&feature=playe... [ted talk]
by pknight 15y ago
answer this question? http://www.youtube.com/watch?v=tClHDEoje6Y&feature=player_embedded http://www.youtube.com/watch?v=tClHDEoje6Y&feature=playe... [ted talk]