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 The 10 Most Effective Holiday Ads: Focus on Philanthropy Works for Walmart Ad Researcher Ranks Ad Effectiveness With Measures Such as Likability and Relevance By Meredith Derby Berg, Published on December 19, 2013 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.