http://www.lockergnome.com/decisions/2012/03/05/assassins-creed-vs-excel-who-wins/ - Sherman DeForest recently wrote about using Excel spreadsheets for solving real world problems, but hadn't considered that those problems could include those faced by gamers until LockerGnome reader White Razor showed him how he's used Excel for solving an Assassin's Creed puzzle (with video)!
You can watch the entire live TLDR episode here: http://youtu.be/-nDDpv5Y3bo