http://www.newsweek.com/tesla-autopilot-driver-inattentive-mit-study-confirms-1631241

A study on Tesla's Autopilot system and its effects on driver behavior has found that it made those at the wheel more inattentive.

The Massachusetts Institute of Technology (MIT) study, published in the journal Accident Analysis & Prevention, conducted over more than a year in the Boston area, examined whether automation changed how drivers looked at the road.