Tim Luckcock, head at Uplands Junior School, posted a profile picture of himself wearing a turban and commented: "Nearly gone native in Leicester!!"

BBC: Headteacher Tim Luckcock wearing a turban.

If you're worried about your privacy, now might be a good time to change your Facebook profile photo to one in which you're wearing ridiculously oversize sunglasses.

FORBES: Technology

When Mr. Blagojevich arrived at the federal courthouse here on Tuesday to hear the verdict in his high-profile case, he looked as dapper as ever, wearing a crisp, dark blue tie with a light blue pattern.

FORBES: The Blagojeviches' $400,000 Wardrobes

Notable exception: If you have a pic that shows Jack White in between you two because you spotted him on the Lower East Side and stopped him even though he was obviously wearing a hat and trying to blend in -- by all means, make it your profile photo.

CNN: Hey, you two, dial it back just a little

She came across Shawn's profile on dating site Plenty of Fish and warmed to his photo, which showed him wearing a Mario T-shirt under a black blazer.

CNN: How technology has changed romance