One example to answer the question: I'm a computer science student in the biggest university in my city (the 3rd biggest capital of brazil). And guess what? Until recently (at least 1 year ago), I was the only one with a DVD burner (the Digital Image Processing Lab bought a dvd burner 4 months after me and my best friend just bought one). 3 burners in an universe of 1500+ people gives an idea on how hard would it be to burn that media ....