I like physical controls better, but I don't think that's a totally realistic contrast. Neither touchscreens nor knobs necessarily demand you look. I've known l

I like physical controls better, but I don't think that's a totally realistic contrast. Neither touchscreens nor knobs necessarily demand you look. I've known lots of people who looked while using physical buttons, and I can do my common touchscreen tasks in my car (e.g. switch to Bluetooth, hit play or pause) without looking. I suspect most people will look in both cases.