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 DigitasLBi Merger Sparks Conflict Between Volvo and GM Swedish Carmaker, an LBi Client, Takes Issue With Digitas' GM Work By Rupal Parekh, Published on February 06, 2013 1 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.