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 Is Stock and Flow Still the Right Metaphor for Creating Content? Digital Advances Are Blurring the Distinction Between the Two Ideas By Noah Brier, Published on January 23, 2014 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.