6 ms·Nudges: http://www.youtube.com/watch?v=jT3_UCm1A5I http://www.youtube.com/watch?v=jT3_UCm1A5Iby davidmathers 16y agoNudges: http://www.youtube.com/watch?v=jT3_UCm1A5I http://www.youtube.com/watch?v=jT3_UCm1A5I