Customer service that doesn't actually provide a service. That is to say, they don't correct the problem you call or write about; they only quote policy and tell you why they can't.
Also, voicemail at businesses. That's just a way of saying to the customer, "I'm too busy to deal with you."
Oh! And the sales people at Best Buy and Circuit City. They spend all their time answering questions on the phone, while ignoring the customers standing there trying to hand them money. If I ever decide to shop at either of them again, I will call them on a cell phone once I'm inside so I can get some freaking help.
Small town newspapers that have a free paper delivered to the end of my driveway, even though I don't want it and only have to pick it up and carry it around back to the trash twice a week.
People who get a sweet puppy and love it to pieces for about three months, then put it out in the yard and forget it.
I'm sure there are more. I'll come back when I think of them.
And not just coffee, but espresso with a ton of sugar and two servings of chocolate.