place. so whenever you go and you like something, you are giving me a clue as to who you are as a person. and so all of this can be captured very easily and run through an algorithm that learns who you are. when you go to work, right, your co-workers see only one side of you. your friends see one side of you, but your computer sees all siesd of you. we can get better at human level accuracy at predicting your behavior. can we? yes, absolutely. some dispute that. chris wylie, then just 23, the notion was seductive as it was potentially lucrative. the company he worked for, scl, specialized in psychological operations for the military, and for him facebook was now the richest of canvases on which to not only read mienlsd but change them, which is what brought