The twist was the metadata. Each photo was timestamped with a date in the future .
In the early 2000s, on a now-defunct imageboard, a single link was posted with no text: .
As users scrolled through the archive, the shadows reportedly began to change. In the first few images, the silhouettes were static. By image thirty, the shadows appeared to be reaching toward the camera. By image sixty, the "girls" in the photos were no longer just shadows; they were rendered in hyper-realistic detail, standing in modern locations—subway stations, bedrooms, and office hallways.