Humans are evolved to interact with faces. Along with language and voice tone, a lot of our emotions are conveyed through facial expressions. If your coworkers

Humans are evolved to interact with faces. Along with language and voice tone, a lot of our emotions are conveyed through facial expressions. If your coworkers and managers see your face instead of just hearing you, you're more likely to build a connection. Sure, we can argue exactly how much more of a connection it is to actually see someone's face rather than just hear them. But if you're looking to make an impact, get promoted, etc., you're going to be more memorable and seem like you're making an effort to connect if you turn your camera on.