text: Another reason i like the tecgnology reading people expressions is because police can use the computer. The police can use the computer for bad people that does bad things . The police can scan they face and their fingerprints also . Also judges can use them when people have a to go to court for a case they have . The judge can scan heir face and see if they are lien .And paremts can also used the computer on their child . And people can also used them to see if other people are lien or however they feel.