Forbes contributors publish independent expert analyses and insights. [Ed.: Read and comment on the unabridged version of this interview] 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 b

