I realize that their patent is somewhat narrow and I'm not aware of the full details. But considering the enormous research history of multi-touch gestures, I'm

I realize that their patent is somewhat narrow and I'm not aware of the full details. But considering the enormous research history of multi-touch gestures, I'm left wondering why we as a society feel it important to give protections to what amounts to a minor tweak to the idea. Here is a better history of multi-touch by one of the researchers in the field: http://www.billbuxton.com/multitouchOverview.html http://www.billbuxton.com/multitouchOverview.html