http://news.ycombinator.com/item?id=417368 <- This exact same video.

http://news.ycombinator.com/item?id=594881

http://news.ycombinator.com/item?id=669042

http://news.ycombinator.com/item?id=1127351 <- arXiv

http://news.ycombinator.com/item?id=1142405 <- wikipedia

http://news.ycombinator.com/item?id=1158269

http://news.ycombinator.com/item?id=1474667

http://news.ycombinator.com/item?id=1662448 <- A variant where you can choose 2 from 10

http://news.ycombinator.com/item?id=1992510

http://news.ycombinator.com/item?id=2060071 <- Bayesian analysis