Nextdoor

Next Door is a free private social network for local communities. The posts are only available to other Next Door members living in the same neighborhood.

www.nextdoor.com

To spread the word about your local WBN chapter meetings each chapter might want to have a member register on the site and be responsible for posting your chapters monthly meeting notices on the site.
Also you can recommend businesses and members services to other Next Door members. This may be another way to refer your fellow