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 One Way to Win Viral Views: Free Xboxes for College Students! Master Chief From 'Halo' Helps Push Microsoft Giveaway to Boost PC Sales By Andrew Hampp, Published on June 29, 2011 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.