Jon Bruner: On all your titles you've dropped digital-rights management (DRM), which limits file sharing and copying. Aren't you worried about piracy? Tim O'Reilly: No. And so what? Let's say my goal is to sell 10,000 copies of something. And let's say that if by putting DRM in it I sell 10,000 copies and I make my money, and if by having no DRM 100,000 copies go into circulation and I still sell