Rumors are the Apple is looking to do this for Beats music. I think it would help me find stuff to listen to.
Roku is having some luck with it:
One hint of how that might work is Roku’s Roku Recommends barker channel. Roku’s search engine is well regarded for its ability to search for content across all 2,000-plus apps on the Roku platform. But in mid-December the set-top box maker launched the human-curated Roku Recommends channel to help surface content consumers didn’t know to search for. According to Roku VP of programming Doug Craig, the channel is now among the most popular with Roku users.
This was taken from here :: http://concurrentmedia.com/2015/03/06/supply-side-content-discovery/
It’s cool to have bots and big data but maybe nothing beats human taste?