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 Publicis' Answer to Digital-Media Mastery: VivaKi New Silo-Busting Umbrella Unit to Be Headed By David Kenny and Jack Klues By Jonah Bloom, Published on June 25, 2008 4 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.