Have you ever heard of a "sealed" PDF? I don't mean password-protected or branded with your name (as some eBook sellers do). This is a different beast. Let me introduce a company called SealedMedia. Their business is protecting electronic documents (PDFs), a form of Digital Rights Management (DRM) which has always been a topic of ongoing debate. [...]
This quite possibly the best xkcd comics I've ever read. I've always wanted to name a kid with a MySQL code injection attack, or "+++ATH" or "^d^d^c^c^g^g^g^g". Anything to mess with database nation.