I totally agree. Gestures on the iPhone work well because your hand is resting in a natural position. This is more or less true with track pads as well. If you

I totally agree. Gestures on the iPhone work well because your hand is resting in a natural position. This is more or less true with track pads as well. If you're going to support mouse gestures, the system must be sensitive enough to act on small, finger-driven, movements. That is, the user must be able to gesture without moving their wrist.