structural:reformatting, structural:expansion
Classification

Some research has looked at the users of online communities. Amy Jo Kim has classified the rituals and stages of online community interaction and called it the "membership life cycle". Clay Shirky talks about communities of practice, whose members collaborate and help each other in order to make something better or improve a certain skill. What makes these communities bond is "love" of something, as demonstrated by members who go out of their way to help without any financial interest. Campbell et al. developed a character theory for analyzing online communities, based on tribal typologies. In the communities they investigated they identified three character types: