While everyone else is left scratching their heads, Amazon and its lawyers are patting themselves on the back. The company has managed to (re)confirm a patent for 1-Click, a method of buying stuff online with, you guessed it, just one click. And that's it, that's all there is to it. If you deploy a system that enables customers to purchase anything online just by pressing one button, you will be infringing on Amazon's patent. It has been a long battle for Amazon, which has been pursuing this patent for more than a decade now. It was initially granted the patent,...