text: All in all, driverless cars could improve many aspects of life. The cars could save you money and allow you to rest after a long day. While there are still some risks associated with the driverless car, I believe the pros outweigh the cons.Using technology to read student,s emotional expressions some student's are bored some sleeping and some stressing doing the test but the others are happy and working in the test averyone has the percent of the emotional.