text: The pronblem is that technology can't tell all emotions. sometimes people look mad or sad but are really happy, if the computer is just looking the expression on your face then its really not doing anything. "Empathy (feeling someone else's emtional state) may happen because we unconsciously imitate another person's facial expression"(Ph9), when the author states this it shows that not all of our humanliy facial expressions give off our emotions. They have only tried this on a still frame pricture.