Word spread in the way internet things now spread: quietly determined, then suddenly unavoidable. More boxes appeared, each with its own ruleset and personality. Some were ornate — a cigar box lined in velvet, a mason jar filled with typed poems. Some were practical: seeds for community gardens, bus tokens, small concert wristbands. Each box gathered the same thing across cities: frayed hope, miniature apologies, tiny gifts that said, I saw you.