Found the following in our local Smile News Coupon Book:
Funny Things To Think About...
Do you remember playing Nintendo and it wouldn't work? You take the cartridge out, blow in it and that would magically fix the problem. Every kid in America did that, but how did we all know how to fix the problem? There was no Internet or message boards or FAQ's. We just figured it out.
I can't for the life of me remember who told me how to fix it, but I sure remember doing it (often)!