Apple Touch-sensitive Bezel PatentS

Here you can see how the bezel brings up hot corners and other hot areas when touched.

Apple Touch-sensitive Bezel PatentS

This image shows a method on how the sensor circuitry would be spread through the bezel.

Apple Touch-sensitive Bezel PatentS

According to the patent, the system will allow to discriminate between groping and actual touch actions on the bezel.

Apple Touch-sensitive Bezel PatentS

It will also change the orientation of the corners as you rotate the display, so they are always in the same position.