Well, there are only so many ways to design a split mirrored keyboard that fits the shape of the human hand. The other "natural" keyboards that are a standard P

Well, there are only so many ways to design a split mirrored keyboard that fits the shape of the human hand. The other "natural" keyboards that are a standard PC keyboard cut down the middle seem entirely pointless to me - you are already making people adapt to the split form factor, why not give them something a tad more ergonomic? Or are there other patents at play that prevented it before ErgoDox etc.?