To appear competent, smile more

Communication takes place on many levels. If you are communicating in person or via a video link, there is a lot of non-verbal communication going on. Your posture, eye contact, and facial expressions will all play a part in what you convey. Here's a fascinating talk about why you should smile. It can improve your life span, help you appear more competent, and many other things. Also, can you read the smiles of others? Test yourself to see how many fake and real smiles you can spot. Here's a hint, though: look at the eyes and other parts of the face and head.