at&T wireless logoThis has been around for awhile now in Britain, but AT&T Wireless is the first carrier in the US to offer Shazam's song identification service. If you hear a song you like (or don't like, as the case may be) but don't know who it's by, you can just dial #ID (or #43) on your cellphone, hold the phone near the speaker for at least 15 seconds, and then moments later you'll get a text message with the name of the song and recording artist. They say they've got a million songs in the database, and that for right now you can try it out for free, though later it'll cost 99 cents a pop.

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