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 Super Bowl Advertisers Warming Up to Slots Late in the Game After Years of Skepticism, Marketers Begin to See Value Near the End By Brian Steinberg, Published on January 31, 2013 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.