text: As such, driverless cars should be sought after by companies and people so that they worry less on the road and its dangers and more on having a family friendly time in cars like sedans.I think that computers being able to tell if your happy or sad is a good idea because if someone is feeling sad or mad the computer can help the students and try its best to make the students calm down or make them happy. this being able to tell emotions can also help prevent suicide and keep students from fighting and keep them in a happier mood.