Here's a snippet from real life that illustrates changing values.
In New York, a man was robbed by a gunman who demanded his cell phone. The guy handed it to him.
But after the gunman saw it was one of those old slider models from years ago the robber didn't want it. He handed it back to the guy.
My daughter took delight in sending me the article because I had the exact same cell phone. I've had it for a lot of years, much to my family's dismay.
They keep insisting that I "upgrade."
I don't get compelling reasons when I ask why.