What makes someone a Connector? The first–and most obvious–criterion is that Connectors know lots of people. They are the kinds of people who know everyone. All of us know someone like this. But I don’t think that we spend a lot of time thinking about the importance of these kinds of people. I’m not even sure that most of us really believe that the kind of person who knows everyone really knows everyone. But they do. There is a simple way to show this.