Thanks to Michael Harris for suggesting this poll in a DRM context. One of the biggest challenges of DRM is the that e-books are often licensed for use on just a limited number of devices—a real issue for me as a Mobipocket user. Mobipocket.com lets me register a mere four devices. Look, I use two desktops, four PDAs and two tablets, all of which can run Mobi—plus one incompatible OLPC laptop and an equally incompatible Sony Reader. Yes, other issues arise, such as operating system-related incompatibilities. See why it’s time to think about dumping DRM in favor of no "protection," digital watermarking if possible, or social DRM?
Important: Don’t cheat. Even if it weakens the anti-DRM argument, tell the truth about the number of devices in use! And if you want, feel free to mention in the comments column your on thoughts on device counts and OSes in terms of DRM.