Time traveler's cheat sheet


Have you ever fantasized about traveling back in time a few hundred or thousand years and giving civilization a boost? Here's a poster for you in case your fantasy comes true. You can even get it on a T-shirt.

UPDATE: Some commenters have kindly pointed out that this poster was created by Ryan North of Dinosaur Comics. Thank you, kind commenters!

Time traveler's cheat sheet (Via Bits & Pieces)