As a best practice, you may want to setup a Gainsight User Group within Chatter. Having a Chatter User Group enables your team to easily share tips, lessons learned, ask questions, and share successes related to your Gainsight implementation. Here are the simple steps to setup a Chatter group:

Navigate to Chatter > click Groups > click New Group:

Navigate to Chatter > click Groups > click New Group:

Enter Basic Information about your group and Save:

Enter Basic Information about your group and Save:

To share posts with your new user group, just @ mention the group's name in your Chatter posts:

To share posts with your new user group, just @ mention the group's name in your Chatter posts: