If you're anything like me, you usually think of your pics in terms of content: Here's me smiling. Here's me looking tough. Here's me in Hawaii with that wacky turtle. And so on. Today, however, we'll analyze photography from a numerical angle—we'll discuss flash, focus, and aperture instead. We feel like people don't really think about these things when they choose a profile photo, and yet, as we shall see, their misuse can seriously mess you up.
As always, our data comes from dating siteOkCupid, one of the largest, and most interesting, datasets on the web. This article aggregates 11.4 million opinions on what makes a great photo.