Freemium business model case study: AdultFriendFinder ARPU, churn, and conversion rateshttp://andrewchenblog.com/2008/12/29/freemium-business-model-case-study-adultfriendfinder-arpu-churn-and-conversion-rates/ by dcurtis • 18 years ago 34 1 18 years agoANandrewchenblog.com