What if,in 2020, wearable devices did not care approximately how many steps you took, and instead were concerned with your genuine-time emotional state? With networked devices tracking hormone levels,heart rates, facial expressions, and voice tone and more,the Internet could become a vast system of "emotion readers," touching the most intimate aspects of human psychology. What if these technologies allowed people's underlying mental, and emotional and physical states to be tracked – and manipulated?
Source: phys.org