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 Your Klout Score Could Get You Into American Airlines' First Class Lounge Klout Scores Computed Through an Algorithm That Weighs Factors Like Follower Count and Tweet Engagement By Cotton Delo, Published on May 07, 2013 5 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.