The popular myth has been debunked: you can't blow on cartridges to make them work. Actually, blowing on the cartridge might damage it. Sorry, folks. It's true.
But apparently the myth never needed to be debunked in the first place. Nintendo has kind of been telling us all along. We just weren't paying attention.
First they cautioned us against using anything other than a cleaning kit. But like... who actually used a cleaning kit for their cartridges, really?
Ah, the hours we could have all saved if we bothered to read, eh?