Large human crowds can sometimes do things that are really cool. That's the subject of Chris Anderson's latest TED talk: 'How web video powers global innovation'.
Online video radically changes the reach and speed of the improvement cycle. Things like music and dance, keep getting better, and innovation is getting faster, because artists see the best and improve on it.
"Dancers have created a whole global laboratory online. Kids in Japan are taking moves from a YouTube video created in Detroit, building on it within days and releasing a new video, while dancers in California are taking the Japanese video and remixing it to create a whole new dance cycle"