Remembered this talk and think it's highly relevant.
This tech is most likely already weaponized by either goog twatter fb and the agencies or all of them…
Talk starts with some jerk off stuff about his newborn son but gets really interesting after the 7min. mark and the implications of what it can do and where it's going @ around the 11min. mark…
tracking / predicting / eliminating
https://www.ted.com/talks/deb_roy_the_birth_of_a_word