You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Twitter, R.I.P.? Or Is There Gold Buried in Them Thar Tweets? The Culty Microblogging Service Says It Will Finally Figure Out a Revenue Model ... Next Year. No, Really! By Simon Dumenco, Published on October 27, 2008 7 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.