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 NBC Expands Research Into Massive Olympics Audience Network Hopes Results Will Help Sell Ads After the Games By Brian Steinberg, Published on January 28, 2010 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. Register Now Already a member? Log in.