I like Tim Maly's short-short science fiction story, which takes the form of a Twitter bug-report:
"Yo @carzymoney," he said, "I think @timebot's got a bug in the link code. #learn2code"
It was a post by Allison. Nothing special, something like "Mmmm tasty lunch" with an image attached. The image was a broken link. No big deal. I tried to find the original tweet but there was some problem with the unique ID and you don't make it easy to page through past tweets. I'd have given up if I hadn't noticed the timestamp.
The timestamp was in the future. Two days in the future. Weird bug. But @timebot was always a side project and I was on some big deadlines.