Smiling faces aren't always the happiest ones says a new study. It is usually believed that a person is happy when they are engaging with another person or group of people. However a new research done by Brighton and Sussex Medical School (BSMS) which was led by body language expert Dr Harry Witchel Discipline Leader in Physiology at BSMS shows this is not always the case. The study was published in the journal ACM. Witchel claims that the way people often behave during one-to-one Human-Computer-Interaction (HCI) is as if they were socially engaged. His research involved asking 44 participants aged