Still need proof of the power of free? Or maybe you just want to be sure it's not going to cannibalize your opportunity to make a little money? Wired Editor Chris Andersen's book Free: The Future of a Radical Price
comes out this week and the debate is certain to heat up. But in the meantime, here's a real would example: Moby wrote to Bob Lefsetz a couple of days ago to point out that his top selling track on iTunes is also the one he's giving away free.
