Well, I'd explain what you just read, but that seems like the height of redundancy. This was created by Saturday Morning Breakfast Cereal's Zach Weiner and designed by Ross Nover. You can buy a poster version here (or click the gigantic button below). Check out the rest of SMBC if you have a spare minute. It's pretty great.

(by Johnny McNulty)

Sources: Saturday Morning Breakfast Cereal