Online content theft is rampant, which is why it’s important to know some of the ins and outs of digital copyright infringement. Whoa, boy. It happened: Someone ripped you off. Stole your stuff lock, stock and barrel. Maybe they even had the audacity to tweak it a bit, hoping you wouldn’t recognize it.But you found out, and now you’re mad. And for good reason: It’s yours, and you should be fierce about defending what you create.