Good for people with disabilities, but I don’t plan on using such features.

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I’m picturing a lineup of people with extreme duck-face; pushing their lips around to move a cursor on their screens…

Samsung did it first, with their eye-tracking auto-scrolling, which was the first thing you turned off after buying a Galaxy phone.

Gyroscope-controlled mouse will be less awkward and more responsive.

Oh great then I can see what random things open up while I am riding on a bumpy road.