I run a website that shows random images. I ALWAYS get emails asking why I have showed an image that relates to what they person was just talking about. But t

I run a website that shows random images. I ALWAYS get emails asking why I have showed an image that relates to what they person was just talking about. But the images are random! It's the well understood concept of confirmation bias. It's just depressing to see here, because I thought the readers of hackernews were more sophisticated than random sampling of the general population.