Chatter

Chatter lets you communicate with others in your organization and exchange information in real time. Using Chatter, you can do the following:

View your information, status updates of people you follow, updates to records you follow, and updates to groups in which you are a member.
Create a chatter group that allows members to post updates and communicate with each other privately.
Add attachments or links to a posting.
Determine whether you want to follow a user or a record that has been enabled for Chatter.

You can modify the Chatter setup. For complete information about using Chatter, see the Salesforce.com Help & Training. This documentation is available if you click the Setup link to bring up Personal Setup. Then click the Help link.