The link they've linked off to doesn't appear to be working (presumably down to traffic volume).
The Reddit discussion is here - http://www.reddit.com/r/todayilearned/comments/1baw7v/til_a_software_company_buried_a_1000_prize_deep/.
The Original link is here - http://techtalk.pcpitstop.com/2012/06/12/it-pays-to-read-license-agreements-7-years-later/