You were right on the second one! Facebook wasn't even a thought in my mind per say (they're not unique in that every social network wants to build a walled gar

You were right on the second one! Facebook wasn't even a thought in my mind per say (they're not unique in that every social network wants to build a walled garden). My focus was more on the areas outside the large walled gardens -- they might be come a bunch of smaller... fenced backyards, to put it nicely.