There is a mail Group set up for use by members to keep in touch with each other.
The Email Group is devoted to news, requests for ringers, announcements, etc.
Subscribe to the group by sending a mail to: mcaldg+subscribe@googlegroups.com
Or Unsubscribe from the group by sending a mail to: mcaldg+unsubscribe@googlegroups.com
You can visit the group here: https://groups.google.com/d/forum/mcaldg
The old Yahoo! Group has been discontinued
There is a Facebook group, where you can share stories, pictures or just chat.