The eye-tracking thing doesn't surprise me at all, but I am surprised anyone thought this was a holy-grail sort of interface, in particular that Apple didn't ru

The eye-tracking thing doesn't surprise me at all, but I am surprised anyone thought this was a holy-grail sort of interface, in particular that Apple didn't rule it out themselves fairly quickly. Eye-tracking data is always a gigantic mess - it's why it's presented as gaze averages rather then direct replays.