Because of the proximity of your face to the camera, the lens can distort certain features, making them look larger than they are in real life. Pictures also only provide a 2-D version of ourselves. For example, just changing the focal length of a camera can even change the width of your head.
What Sells Best On Shutterstock?
Some types of photos that sell best are Portrait Photography, Food Photography, Landscapes (usually with people) and fine art photography (artsy).