I think a good business model would be sell this either as a SaaS service or sell the server outright as software to enterprises.
This model of running groups has minimal friction in maintaining records of team discussions (as opposed to setting up internal mailing lists) that will get archived in a central place instead of valuable discussion info hidden away in individual end-user inboxes.
This model of running groups has minimal friction in maintaining records of team discussions (as opposed to setting up internal mailing lists) that will get archived in a central place instead of valuable discussion info hidden away in individual end-user inboxes.