When viewing another user's Live Feed page, you may be able to like another user's update. This can be done to show users that you like a personal update, a file that was shared, an activity update, or a comment that was added to an update. Note: The ability to like a posting or posting reply is determined by your action group.
To like an update, click thebutton at the bottom of the update.
Once you have liked an update, thebutton changes to a button. To unlike the update, click the button.
To like a comment, click the gray star icon at the bottom of the comment.
Once you have liked a comment, the gray star icon changes to an orange star icon. To unlike the comment, click the orange star icon.