Free NIN Album Tops Amazon Charts

Trent Reznor is the latest major artist to prove that giving music away is good for business.

Though fans could grab the music free of charge, Reznor racked up huge amounts of cash by offering limited edition sets with extras like Blu-ray discs and deluxe packaging; this was widely praised as a way to profit from scarcity while simply giving away the stuff that's easily copied (i.e., the digital bits that make up the music).