So, our Computer Science teacher's birthday is coming up, and we really want to do something memorable... The thing is, he's not a huge fan of big physical celebrations or cake-cutting, so we thought it'd be much more meaningful to make something digital instead....CS teacher after all. I've been thinking about creating something like a small desktop app (or maybe one of those fun pop-up programs) that launches on his computer and wishes him a happy birthday. But I don't want it to be just a ba...