Shazam seemed like magic when it debuted in 2008 on the iPhone. The app can identify nearly any song playing on the radio, even over the din of a coffee shop. It’s been downloaded more than 200 million times and become modestly successful; by steering buyers to iTunes (AAPL) and other music services, it generated about $24 million in revenue for the 12 months ending June 2011, the most recent figures available.
Now Shazam Entertainment is moving away from its musical roots. Over the past 18 months Shazam has built technology so viewers can use the app to take an audio snapshot of TV shows and ads as they would a song.
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