> A more apt example would be twitter providing a list of people who have been recently followed by people that you are following, with the option of clicking t

> A more apt example would be twitter providing a list of people who have been recently followed by people that you are following, with the option of clicking the news item to also follow this new person. How would that be more apt? In twitter you can make your account private, so only a few selected people can see your actions. Also a retweet, a reply or even a tweet are all actions (the action to retweet, reply and tweet ie say something).