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 Horizon Media Is No. 10 on Ad Age's Best Places to Work List Planning, Buying Agency Aims to Be 'Meaningful' to Employees Inside Its Walls While Enabling Them to Give Back Outside the Office By Alexandra Bruell, Published on March 26, 2012 0 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.