Just like the comment of someone who appeared on a list of people who supposedly died under suspicious circumstances after reading about his death on the web. Words to the effect that "Glad I didn't read about it before it happened, it could have ruined my whole week!"

In fact, there are apparently web sites that intentionally invite retouched photographs, like the one that had a picture of someone standing on the roof of one of the Trade towers, with a 757 coming in.