Patents are not granted for what they achieve, but instead how they achieve it. So the patent is for a specific methodology of "using voice commands [...]". Not

Patents are not granted for what they achieve, but instead how they achieve it. So the patent is for a specific methodology of "using voice commands [...]". Not that the content of the patent is novel -- I have not looked deep into it personally. It is likely a general BS methodology that the troll never used for a real product.