What happens when technology knows more about us than we do? A computer now can detect our slightest facial microexpressions and be able to tell the difference between a real smile and a fake one. That’s only the beginning. Technology has become incredibly intelligent and already knows a lot about our internal states. And whether we like it or not, we already are sharing parts of our inner lives that’s out of our control. That seems like a problem, because a lot of us like to keep what’s going on inside from what people actually see. We want to have agency over what we share and what we don’t. We all like to have a poker face.

https://www.ted.com/talks/poppy_crum_technology_that_knows_what_you_re_feeling