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 Virgin America on Why Twitter, Facebook Are More Important Than TV Carrier's Top Marketer Porter Gale: 'Other Airlines Should Recognize That Social Media Is Not Going Away' By Michael Bush, Published on February 09, 2011 14 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.