Chatter groups let you share information with specific people. For example, if you'reworking on a project and want to share information only with your team members, you cancreate a Chatter group for your team. Chatter groups include a list of members, aChatter feed, and a photo. You can create the following types of Chatter groups:Public: Only group members can post, but anyone can see the posts and join the public group.Private: Only group members can post and see the posts. The group's owner or managers must add members.