It’s quite possible that you’d find Shazam to be a useful app. If you hear a song that you like on, say, the radio or in a bar, you hold your phone up to the speaker and Shazam will analyze the song’s waveform and match it with the correct artist and track information.
But perhaps more importantly, Shazam is the app you show off when a luddite asks, “What’s so great about a smartphone?” It leverages just about every piece of technology in that little handheld wonder.
More on Time.com: The 50 Best iPhone Apps for 2011
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