Publishers have freedom and choice of content. In addition, societies can take advantage of private and autonomous listservices absolutely at no cost. West Point societies are taking advantage of this service as a very cost effective communication vehicle. All traffic is archived and accessible via email or the web to those granted access by the Publisher. Administrative functions can be handled through a number of email or web-based tools.
Service is absolutely free.
A general membership list which includes all members in the society. A society officers' list to allow the society officers, BOT, etc. to discuss issues off of the general membership list. Consider also that all discussions in a listservice are done electronically and are archived. No need for notes and minutes. Then, consider the implications and the enormous opportunities on how you conduct official society businesses.