IR cameras are how eye tracking works. They are going to know when your eye travels to advertisements. That will be part of the cover story.
More importantly, they're going to know when you read propaganda. The 3d mapping will also watch your face for micro-expressions -- the same stuff body language experts look for -- to predict how credible you regard the source. Your phone will now know if you are an NPC or someone the feds need to pay attention to as a domestic terrorist who doesn't swallow official horseshit.
IR cameras are how eye tracking works. They are going to know when your eye travels to advertisements. That will be part of the cover story.
More importantly, they're going to know when you read propaganda. The 3d mapping will also watch your face for micro-expressions -- the same stuff body language experts look for -- to predict how credible you regard the source. Your phone will now know if you are an NPC or someone the feds need to pay attention to as a domestic terrorist who doesn't swallow official horseshit.