Any tech for predicting people's behavior will likely be sooner mature in predicting the behavior of crowds of people than one individual. (They seem like relat

Any tech for predicting people's behavior will likely be sooner mature in predicting the behavior of crowds of people than one individual. (They seem like related problems where the latter is much harder.) The easier one is where the $$$ incentives lie, e.g. if you correctly predict how masses of people are going to buy stocks, you're rich.