First it was going, now it's gone: the social music website we all messed around with a couple years ago (I think that's when—right?) is now going off to the great website in the sky.

Two summers ago, Turntable.fm, a place to virtually listen to music with your friends, was everyone's favorite website. Many hours of American Office Productivity were sucked away. Then, we all moved on to new distractions—but Turntable sealed a $7 million investment round, and gradually torched it.