Already there if you count inferring things people would prefer to keep private by looking at probabilities given their visible activity.
Bit late to the discussion (found this thread by searching for the article on HN) but am really interested to hear more about this. Are you able to point me towards some resources that discuss this in more detail?
People will speak in generalities to torture someone in a social setting. I for one am almost dead having experienced this for over two decades.
Care to elaborate?
I actually wrote a detailed response, but HN blocked it, likely for the better.
Just read today in the paper about LEOs using it in investigations. Showing suspects possible visuals from crime scene and observing brain activity can prove one was accomplice or was in the scene.