If you owned a Nintendo Entertainment System back in the day, you probably had a game seemingly crap out on you at some point. Perhaps the game wouldn’t boot  up correctly, or would suddenly stop working in the middle of a loading screen.

For millions, the solution was clear: Remove the cartridge and blow into it again and again until it worked. It was the mid-80s version of wiping a DVD on your shirt — and it seemed foolproof.

Read more at Yahoo! Games