
Image: iStock.
Toasters. Pretty simple right? You put bread in. Push a lever. Shortly after, the bread comes out as toast. Et voila.
Except for one little thing.
The wheel of mystery.

What exactly is this wheel? Is it degree of toastiness, or is it, as a popular meme making the rounds on the internet suggests, actually the amount of MINUTES the toast is cooked for?
DUN DUN DUNNNNNN.