How much R&D went into pinch-to-zoom? When they first launched a product with pinch-to-zoom, Apple did not know if they would be granted the patent. They launc

How much R&D went into pinch-to-zoom? When they first launched a product with pinch-to-zoom, Apple did not know if they would be granted the patent. They launched it anyway because it made the phone better just like any other company would do, regardless if someone could copy it. The patent in question has nothing to do with innovation and everything to do with threatening competitors.