I have talked about piracy before, but I was inspired by Matt Gemmell’s take on it in Episode #9 of the MDN Show:
Piracy is pretty much an unsolvable problem. That’s a controversial thing to say, but I don’t mean it’s absolutely technically unsolvable, but it’s one of these situations where you have diminishing returns. The better your protection, the better …

I was reminded of a question I answered on Stack Overflow a while back, relating to protecting code written in JavaScript, from being copied/plagiarised, which reminded me of the topic of copy protection for software.
Of course, when anyone puts in blood, sweat, tears, and a hell of a lot of hours into a project, they naturally want to protect people …