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 Don't Let Your Resume Lose Its Luster How to Use Social Media to Keep Your Resume and Portfolio Up-to-Date By Adrienne Waldo, Published on February 18, 2010 3 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.