Related actions:

• BefriendAction: Unlike BefriendAction, FollowAction implies that the connection is *not* necessarily reciprocal.
• SubscribeAction: Unlike SubscribeAction, FollowAction implies that the follower acts as an active agent constantly/actively polling for updates.
• RegisterAction: Unlike RegisterAction, FollowAction implies that the agent is interested in continuing receiving updates from the object.
• JoinAction: Unlike JoinAction, FollowAction implies that the agent is interested in getting updates from the object.
• TrackAction: Unlike TrackAction, FollowAction refers to the polling of updates of all aspects of animate objects rather than the location of inanimate objects (e.g. you track a package, but you don't follow it)