I hovered, cursor trembling between curiosity and caution, and double-clicked. The window opened slowly, as if reluctant to reveal its contents. Inside were two MP4 files; each file’s thumbnail was a still: one of a long, empty corridor whose fluorescent lights had been left on; the other of a rain-soaked street at midnight, neon signs leaking color into puddles. The filenames were stripped of human tenderness—strings of numerals and letters—yet they contained an uncanny intimacy, like anonymous love letters in a mailbox with no return address.