In real life, the success or failure of each individual performance often plays out in the form of concrete, physical action—you get invited over for dinner, or you lose the friendship, or you get the job. Online, performance is mostly arrested in the nebulous realm of sentiment, through an unbroken stream of hearts and likes and eyeballs, aggregated in numbers attached to your name. Worst of all, there’s essentially no backstage on the internet; where the offline audience necessarily empties out and changes over, the online audience never has to leave.