"Online video radically changes the reach and speed of the improvement cycle. Things like dance, snowboarding and TED talks keep getting better, and faster...because artists see the best and improve on it. Even more than that, it requires you to top what's out there, or you'll be ignored. The same thing has been done with scientific journals for two hundred years. Now, though, instead of a long cycle and a few readers, we have a nearly instant cycle and millions of 'readers'."