How a data scientist hacked Jeopardy

This is my HN Hyperbolic Title award winner of the week. He "hacked" jeopardy by finding an effective way to study/prepare himself.

Since the site is down, here is the Google cache version: <a href="http://webcache.googleusercontent.com/search?q=cache:vTGEJRIXazIJ:quantifiedself.com/2011/09/roger-craig-on-knowledge-tracking/+&#38;cd=1&#38;hl=es&#38;ct=clnk" rel="nofollow">http://webcache.googleusercontent.com/search?q=cache:vTGEJRI...</a>

He won on Friday and he's in the Jeopardy Tournament of Champions Finals Monday (tomorrow) and Tuesday.