These are my links for September 28th 2012 through September 29th 2012:

• GPS Drawing Experiments – "It was not my idea to gaffa-tape the GPS receiver to the dog" #mtmsym
• London Overland – .@jwoodx "quickly regretted" deciding to ride every bus from Elephant and Castle when making London Overland #mtmsym
• A query about The Dark Knight – "Suppose we run the game with endogenous Joker": a game theory problem from The Dark Knight > (via @timharford)