Leo had been her lab partner. Funny, quiet, the kind of person who typed in all lowercase and never used punctuation unless he was angry. He’d dropped off the grid after senior year—no LinkedIn, no Instagram, just a ghost status on Discord.
She dragged it into the chat.
“also, your cat died? saw the avatar. sorry.” groupme account
She typed back: “Leo? wow. yeah, i think so. what’s going on?” Leo had been her lab partner
She almost asked how he’d found her—why after three years he remembered she’d kept every file from every class. But she knew. Some people treated their GroupMe account like a disposable chat room. Others treated it like a digital attic, full of things they couldn’t throw away. She dragged it into the chat
She muted the notification and stared at the ceiling. Somewhere out there, a startup was about to have a very bad morning. And somewhere in a server farm, her old machine learning model was about to learn a new lesson: even abandoned code has fingerprints.
Her phone buzzed one last time.