We realize there'd no way to eliminate piracy altogether. We're just looking for the simplest way to make casual piracy tricky enough to discourage anyone who

We realize there'd no way to eliminate piracy altogether. We're just looking for the simplest way to make casual piracy tricky enough to discourage anyone who might want to pay for it. And of course a way that doesn't piss off paying users. I'm not too concerned about piracy by people who would never have paid in the first place.