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 JC Penney Feels the Marketing Power of Link Love Retailer Aggregates Content From Blogs and Lets Readers Talk Among Themselves; Google Results Soar By Abbey Klaassen, Published on January 21, 2008 1 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.