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 Philly Cream Cheese Gave Its Flat Sales a Kick Interactive Web Campaign Helps Kraft Product's Sales Soar By Emily Bryson York, Published on May 24, 2010 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.