You are on Spotify and you are listening to your favourite song.
And then, all of a sudden, a song pops up, a completely new one that you didn’t know about. And before you know it, you start humming this fresh, never-heard-this-before song.
The most obvious question that unconsciously pops up is – how did the app even know you would like this particular song? Well, here’s the answer to that question and a lot more.
(With inputs from NBC News.)
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