Of course this thing is supposed to be connected to your phone, so do you really need all of those sensors on glass? How much does pressure vary between your fa

Of course this thing is supposed to be connected to your phone, so do you really need all of those sensors on glass? How much does pressure vary between your face and your pocket? (I honestly don't know, feel free to tell me if you do). Orientation sensors make a lot of sense, but I would imagine they can get away with putting more sensors elsewhere.