We’ve all heard about the way Apple’s iTunes music download service is revolutionizing the industry. But could it revolutionize our social interactions as well? “Thanks to the ability of Apple’s iTunes to share music collections over local networks, it is now possible to judge someone’s taste in music — or lack of it — in a way that previously required a certain level of intimacy. The ability to examine the music collections of co-workers, neighbors or fellow students is akin to peering into their souls: Someone who appears cool and interesting from the outside is revealed as a cultural nincompoop through the poor sap’s terrible taste in music.”