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> Physical controls that have no physical state are the worst of both worlds.

This is so true. I absolutely hate the AC knob in my car. Apparantely, they thought it was good engineering to make it infinite.

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At least you can find it without taking your eyes off the road. This works fine for fan power, where you know when to stop based on what you feel, but not so much for temperature, where you can’t immediately tell what’s right.

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