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 Where Digital Marketing Is Heading in 2010 (Part 1) Millward Brown Breaks Down Location, Mobile, Display and Viral Video By Ken Mallon, Published on December 29, 2009 16 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.