Reality shows: why would I want to watch your boring life?
Commercials that promise younger looking whatever with 20-something women. Sure your cream works, they don't have wrinkles!
Stupid new diets every year: either it's low fat or no fat or low carb or high protein or a fruit diet or a fast or shakes and pills or some other stupid gimmick. I've done 'em all! They work for a while, then when you stop, you gain everything back.
Infomercials with semi-attractive large chested women trying to lure you to buy a program that promises you riches and checks every week for doing nothing.
Pop-up ads on the internet. So annoying.

I could go on and on, but I'd just get depresssed...........