(e.g., a specific website, a meme, or a personal folder)

Files found on older media-sharing sites or cloud storage folders.

In the early days of the internet, a legendary underground animator known only as "AnNa" released a 480p clip that changed the industry. Decades later, a film historian tracks down the original source code to find out why the artist disappeared after the first "01" upload. 3. The Found Footage (Horror/Thriller)

A security guard finds a corrupted file on a lobby computer labeled AnNa01 . As the grainy, low-res footage plays, they realize the "01" refers to a room number in the building where they are currently sitting—and something in the video is moving toward the door.