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I believe that they wanted to hire you.

There were a ton of music recommendations available at the time. Every music service had them: Rhapsody, Yahoo! Music Unlimited, Last.fm, Mog, iTunes, Grooveshark... Echo Nest's weren't even that good. I don't think they had song level recommendations iirc.

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EchoNest's were the best at the time because they added social data into the mix. They analyzed people's playlists/libraries to generate recommendations when everyone else was using descriptive metadata, audio comparison, or manual curation.

That's incorrect. Most of those services were using collaborative filtering social data to drive their recommendations.

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