Hi all --

I've had my iPhone for a little over a month now, and I've noticed that the touchpad gets a bit screwy sometimes and was wondering if this happens to anyone else. Once in a while, when I select something in my iPhone screen (be it a contact, a song, etc.) the phone will sometimes not register what I have touched, but will highlight something a few spots down. For example, I was just picking a contact in the middle of the screen, but it kept selecting the contact at the bottom of my list. I hit home and went back, and it kept happening. It lasted for about 10 seconds and then stopped happening. There is no way to replicate this problem, and it is not terribly frequent; maybe once every week or once every week and a half. Any idea what the heck is going on? Is this just a minor software glitch once in a while or something I should be concerned about?