One of the most underutilized features of Facebook for businesses is the Secret Group.
A Secret Group is easy to create and manage, and it is perfect for small-group interaction.
Keep reading to discover powerful ways these groups could help your business.
Facebook originally created Secret Groups for people to have small, intimate interactions with family and friends, but Secret Groups are also perfect for small businesses, coaches and professional development, like mastermind groups
Link: Social Media Examiner