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 WPP's Possible Bets on Mobile Apps in Its Latest Acquisition Wanted App Development Capabilities to Help Meet Demand for Relationship Marketing By Alexandra Bruell, Published on August 06, 2014 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.