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 MediaMath Unveils Partner Program as DSPs Face Heightened Competition Indie DSPs Look to Innovate To Keep Up With Google By Jason Del Rey, Published on February 23, 2012 7 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. Register Now Already a member? Log in.