[alexbecker]

This is dumb. Why does it entertain me so much?

[gorhill]

Look beyond the funny app. Think of the challenge of finding an efficient solution to the original problem regardless of its "unseriousness": finding the optimal picture according to pointer position.

Same solution is also useful for other more serious applications: https://www.youtube.com/watch?v=90NsjKvz9Ns

Edit: Sorry, I missed the "me" in your "entertain me".