I always wonder why some old posts draw viewers

I understand when folks come by and look at a post from a couple days ago. It might be that they haven't been by lately, or ever, for that matter. What puzzles me is when random posts from several years ago draw a new view. Again, it could be a visitor here for the first time, but I still wonder what attracted them to that particular post.

For instance, today I had two posts from 2014 draw a couple new views. Both were related to the swordfish story, which compares the life of a temp project to a swordfish on a fishing line. One had great art with it, one didn't. I will never understand why someone visited those posts.

Sometimes I like to promote an old post

This post is suddenly doing very well with traffic. I approve. This particular post makes a case for cover versions of a song being better than the original. Feel free to comment.