If you are up late in N. America you will see the silliest commericals - called Infomercials that usually are at least 1/2 an hour and try to sell you on gadgets you wouldn't even consider normally, but you find yourself thinking, "you know, maybe I need that knife that also grates cheese".
When selling these product, they show the most inept people who demonstrate the need for these products...here are unfairly edited GIFs of these moments...