You don't? The phone stays in your pocket and when you get notifications they go to a device that's strapped to your body- this describes Glass and Pebble. The

You don't? The phone stays in your pocket and when you get notifications they go to a device that's strapped to your body- this describes Glass and Pebble. The watch and HUD both have poor res and inputs, things the phone does better. I think you'll see people using a phone+wearable a lot more frequently than two wearables.