To write this piece, we cataloged over 7,000 photographs on OkCupid.com, analyzing three primary things (Facial Attitude, Photo Context, Skin). We discovered much of the collective wisdom about profile pictures was wrong.

"You know how Google sometimes “predicts” what you might be searching for by giving you a little drop down menu of suggested search queries? These suggestions, of course, are based on what other users frequently search. So I tried teasing out some gender differences. Look at the pictures below."