On the other hand, Eichhorn writes, such media can prevent those who wish to break with their past from doing so cleanly. We’re not the only ones posting; our friends and family chronicle our lives, usually without our consent. Growing up online, Eichhorn worries, might impede our ability to edit memories, cull what needs to be culled, and move on. “The potential danger is no longer childhood’s disappearance, but rather the possibility of a perpetual childhood,” she writes. We may, in short, have traded “screen memories for screens.”