text: Also, why I am disagree with it because I remeber one time my teacher told me that science is not always 100%. I don't think this technology is accurate because I notice when one of my friend is sad I can tell by the way she talks but not her expressions. In the text says that not only your facial muscles knows your emotion but also produce them, but what if your bone is twisted and have an unhappy seems face but you are actually happy. The article says that facial muscles produce emotion, I disagree with it because when I feel sad or blank most of the time my facial bones still the same.