Many times we see headshots are our first impression of someone or being seen reoccurring.
There are many studies showing just how fast someone can judge a face with stunning accuracy. People can judge a face of a stranger in just 1/10th of a second (0.1sec), that is short. It is also showed upon landing on a website the site can be judged within 1/2 second (0.5sec).
First impressions are crucial part of the human experience. Make yours a good one.