This image present the relationship between user-activity(post, repost, plus, comment)-user, another words this is indirect relationship between users on Google+.
The colors of the groups was builded based on the user relations.
The size of the nodes was computed based on the number of edges that are included in the node.
The data was builded in LoggenCSG (http://loggencsg.googlecode.com) on profile Артём Зубков (http://profiles.google.com/artzub) with uses parameter deep search.
result file: (http://goo.gl/NYFZH)
Data visualizated in Gephi (http://gephi.org/).
File progect for gephi: (http://goo.gl/u897N)
Large png: (http://goo.gl/QTmZx)
Large pdf (recommend): (http://goo.gl/93rWd)