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 When It Comes to Facebook, Relevance May Be Redefined To Create Conversation, Simple, Random and Banal May Be a Brand's Best Bets By Matthew Creamer, Published on November 29, 2010 27 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.