All this social-media-induced social anxiety has less to do with the specific platform—indeed, the MySpace and chat rooms of yesteryear inspired the same anxiety as the apps du jour. But no matter the platform, social media is a performance. And performance pulls for perfectionistic self-presentation. To be sure, individuals have cultivated a public image since the dawn of time (Ponytailed or curly powdered wig? Fedora or derby?), but now, armed with smartphone cameras and filters, we can manage others’ impressions as never before.