I've got 4.3 on my iPhone 4 and every time I receive a text message, my phone vibrates twice (like when you plug it into a computer) *buzz buzz*. I wish there was a way to shut this new feature off. Any ideas? I guess I can feel the text messages easier now in my pocket and I suppose now that it's different, I can tell if it's a text or an email just by feel. So the new feature is good and bad. I guess the other possibility is that something is screwed up with my phone. Anyone else notice this?