Uber has filed a patent for a machine learning algorithm which can predict whether a rider is sober or not to improve the safety of its service. The sobriety of a passenger is a big factor in the safety of both driver and rider. Drivers have been assaulted by inebriated passengers, and most of the sexual assaults conducted against Uber riders by drivers have been while they were intoxicated. According to a CNN investigation, at least 103 Uber drivers have been accused of sexually assaulting...