We’ve long been used to computers pulling off amazing stunts but every so often they manage to turn a new trick that makes us feel like we’re kids watching Tron again. This time it’s 411-Song, which you dial when you are a song whose name you do not know. A computer picks up the call, listens for fifteen seconds, and names the tune for you via text message. Price? 99 cents, and if it lets you avoid a humiliating encounter with an aloof record store clerk, we say it’s well worth it.

Name That Tune