Don't forget wet hands (after a shower maybe) and gloves too. But yeah I agree right now the much better use is detecting when you're near, but for saving batte

Don't forget wet hands (after a shower maybe) and gloves too. But yeah I agree right now the much better use is detecting when you're near, but for saving battery and for speeding up Face ID. That being said, the website near the bottom show cases finer controls, such as scrolling and turning a dial. I could see these being added in the future for finely controlling some UI elements without your finger blocking the way.