The major trend of Facebook is that it is making the world smaller by making the people you interact with a smaller bubble. This may be a very good thing. Som

The major trend of Facebook is that it is making the world smaller by making the people you interact with a smaller bubble. This may be a very good thing. Sometimes, though, it makes me feel like we're carrying out a new type of social hierarchy by only interacting with people we are like and are friends of friends with.