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If you have to look at the screen it doesn't matter whether you are touching it or using a dial. Your eyes aren't on the road either way. Using a dial is signi

If you have to look at the screen it doesn't matter whether you are touching it or using a dial. Your eyes aren't on the road either way. Using a dial is significantly less ergonomic than using your fingers to just touch things on the screen. Dial interfaces hurt ergonomics without improving safety.

fishywang 4y ago
The point of dial/physical buttons is that you can feel them, so you don't have to look to know which button you are pushing.
- twblalock 4y ago
  If the dial moves something on a screen you need to look at the screen.
  - fishywang 4y ago
    not necessarily. you know how many clicks are the thing you want to click.