Joining the Z Sustainer Program gets you as a premium not only the ZNet Daily Commentaries, but also access to the ZNet Commentary Conferencing System where you can interact with your fellow recipients and also with many of the involved authors who host their own forums to answer your queries and react to your criticisms. There are many powerful features including searches, an excellent interface that makes seeing only new messages trivially easy, and so on. It is cutting edge software for the purpose. Each forum has a set of threaded discussions , the right hand column of forums are all hosted by commentary writers.
Any user can post or read accumulated messages or reply to any message in any forum at any time.
But what's really unique is the content. Old Forum Messages Finally, also unique. But then there are also personally hosted conferences in which a commentary writer fields queries and comments and reacts. Commentary writers participating include Michael Albert, Elaine Bernard, Peter Bohmer, Leslie Cagan, Sandy Carter, Noam Chomsky, Brian Dominick, Barbara Ehrenreich, Sean Gonsalves, Robin Hahnel, Mokhiber and Weissman, Cynthia Peters, Tanya Reinhart, Stephen Shalom, Tim Wise, and Howard Zinn. Messages have been read over 1,300,000 times.