@jessfirger
SELFIE-OBSESSED: From posing in dangerous places, like this railing over Lake Michigan, to setting themselves on fire and jumping into a pool, teens are going to extremes for internet adulation.
JIM YOUNG/REUTERS
WHAT WOULD HAPPEN if you took a can of aerosol hairspray or air freshener and sprayed it directly at a cigarette lighter’s flame? Any rational adult is likely to say, Nothing good. But if you’re a teen, you might think, Great snap!