Even for on-screen controls, we're missing tooltips on hover which I think are a crucial part of discoverability for programs on a desktop PC. You don't get tha

Even for on-screen controls, we're missing tooltips on hover which I think are a crucial part of discoverability for programs on a desktop PC. You don't get that on mobile (at best you get a 'new user tour', and have to remember every button up front, or pity you). Maybe one day they can get the camera to do some creepy eye scanning and pop up tooltips based on what we are staring at.