How to Follow People and Records in Salesforce
You can follow people, records, and other things that interest you in Salesforce; anything you follow will appear in your Chatter feed.
A list of other Salesforce users appears.
Now anything posted by people you follow will appear in your Chatter feed.
You’ll want to be a little picky about how much you follow things in Chatter, so you don’t clutter your feed with a lot of updates you don’t need.
You can also follow records in Salesforce so you’ll be notified about any important updates made to them.
If Chatter is available for the record, you'll see a Show Feed icon near the top of the record.
Now if any changes are made you'll be notified about it in your Chatter feed.
You may occasionally want to take an inventory of how many feeds you follow and who follows you. This is all possible through the Chatter tab.
A list of the filtered by field you are following appears.