I cannot say with certainty when I first encountered it. Like most successful organisms, it avoids dramatic entrances. It prefers inheritance. By the time you notice it, it has usually been living inside your language for years. I don’t know what it looks like. I’ve only seen the identities it borrows. Yesterday it borrowed the face of someone I hadn’t met in almost a decade. We exchanged the usual rituals of remembering. Somewhere between the weather, work and the years that