I just upgraded the RPX install on VizWorld.com, and now anonymous comments have returned. You can still leave “authenticated” comments by logging in with your OpenID, Google ID, MySpace, or Facebook credentials, but now you can also leave comments without any credentials at all.
Randall Hand
Randall Hand is a computer graphics programmer and news junky that's been working in the field for the last 15 years. He's responsible for visualizations generated on some of the most powerful supercomputers in the world, ytnef, mullion support in ParaView, and VizWorld.com.