Check out what you can do with this app!
Find the social network for an influencer, based on the links to other people on the Wikipedia page of the person, and their friendship (bidirectional) follower-links on Twitter
Find the social network for a certain topic, based on the links to other people on the Wikipedia pages about the topic, and friendship (bidirectional) follower-links on Twitter of people talking about the topic. You need to register if you want to use this tool.
Find the tribe membership for any twitter user, based on a predefined 4 by 4 matrix of four tribal categories: alternative realities, ideologies, lifestyle, recreation.
This app is free to use! You just need a Twitter account.