Just now during Harry Potter, there was a woman who got up, turned around, and took a picture of the seat next to her. I'm guessing the kid was asleep, because in the seat behind me there were two snoring noises coming from people. Let us just say that I agree.
Also, I save my exceeding amounts of talking for either crappy movies in which my comments make it better (See the new Transformers or Terminator), or drive-ins. Still, I was one of those people in Harry Potter explaining it to their friends because they hadn't seen any movie since the third and assumed the series was still good.
The snoring is the only complaint I really have, except for in Up there were two families behind me, one to my left and one below me in which after ANYTHING happened, the kids would ask 'What happened?' to which the father/mother/pedophile would diligently explain. FOUR TIMES THIS HAPPENED. And they would all say something different.