Over the years I’ve noticed it too, the time lag between similar posts ranging from a few hours to a day or so. My simple explanation is that a person reading t

Over the years I’ve noticed it too, the time lag between similar posts ranging from a few hours to a day or so. My simple explanation is that a person reading the original post either remembers a related nugget of Internet that they think people would also find interesting or else they find it while googling, inspired by the initial post.