“Through silhouetting, your subjects become faceless. The viewer is then focused on the shape or position of the person, not the details we’re more commonly accustomed to focusing on—smiles, eyes and expressions are erased in the darkness. All that remains is the shape, leading the viewer to interpret the shot. A mystery to be solved.” -An excerpt from Silhouettes : Shapes in the Light by Kristin Zecchinelli.
This article can also be found in the March/April 2013 Issue of Digital Photo Magazine.