Its from his TED talk:
<a href="http://www.ted.com/talks/derek_sivers_how_to_start_a_movement.html" rel="nofollow">http://www.ted.com/talks/derek_sivers_how_to_start_a_movemen...</a>
Wow - this is a powerful analysis of a powerful idea. He crystallizes a notion that I've always sensed subconsciously but never realized <i>actually</i>. The importance of the "first follower" is now etched into my mind.<p>Thanks for sharing.