Good question; I'm not sure. What I can be sure of is this story: A couple months ago, I had to create some annotated screen shots to be used as cheat sheets b

Good question; I'm not sure. What I can be sure of is this story: A couple months ago, I had to create some annotated screen shots to be used as cheat sheets by a number of people I'm working with. I knew that I could do something like this in Photoshop, having used Photoshop a bit 10 years ago. I first tried GIMP, because it was free and available. After trying for a while to figure out how to get layers happening, I finally gave up and downloaded a copy of Photoshop. Everything was immediately intuitive. Even though the Photoshop UI had changed (a lot) from when I had used it a decade ago, I was able to very quickly create my annotated screen shots. Now, you could say that I didn't bother to read any of the GIMP documentation, and you'd be right. But with Photoshop I didn't have to.