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 How You Roll When You're a Girl Scout Selling Cookies at Facebook Using Technology and Some Nice Real Estate to Sell 400 Boxes An Hour By Irina Slutsky, Published on February 22, 2011 5 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.