The effectiveness of this approach varies widely. Why does a playlist generated off a single song on Spotify work so well and yet its podcast recommendations feel generic? Why, after spending years and millions of dollars on research, including the fabled Netflix prize, do Netflix's recommendations still feel generic, and why doesn't it really matt... See more

The “Coupland” concept explores book discovery as a social activity by allowing readers to build shared libraries and hear about additional texts through existing networks.