I just read an article on Wired about a mathematics Ph.D. student using scripts and data mining techniques to “hack” the online dating site OKCupid to find a match.
Interesting article, although I read one about a woman doing something similar a few years ago, but it did have this fantastic line in it:
Most unsuccessful daters confront self-esteem issues. For McKinlay it was worse. He had to question his calculations.