Pennies. Those useless little hunks of metal that you collect in a container at the end of the day.

Why do we still have them? Canada, Australia, Brazil, Finland and many other countries have quit using them.

They cost more to make than they are worth, so continuing to make them seems a little insane. 

Check out this video to learn more about the worthless penny and who it is that is actually lobbying congress to keep them.