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 Marissa Mayer Put in a Weekend's Worth of Work Designing New Yahoo Logo If You Don't Like it, Reserve Some of Your Catty Comments for the Chief Executive By Shareen Pathak, Published on September 05, 2013 18 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.