This is why Facebook bought it to begin with, IMHO. They've got some smart people there who are prescient enough to take their web-based intent-oriented analyti

This is why Facebook bought it to begin with, IMHO. They've got some smart people there who are prescient enough to take their web-based intent-oriented analytics and figure out that head tracking (similar to eye tracking used in UX studies sometimes) would be immensely valuable to track a lingering gaze.