
Nick Cernis watched a video about Alice’s Adventures in Wonderland in YouTube, only to be recommended this video.
Why YouTube recommends heroin
Reza Behforooz was looking for a metronome in Amazon. Apparently their recommendation engine was at loss at what to suggest as a cross-selling item:

Better Together: white & red!
Read also: Tapping the Power of Recommendation Systems to Build a Broader Web 2.0 Audience
