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 Jose Cuervo Challenges Mexicans to Grow Bicentennial Mustaches Meanwhile, in Argentina, Coke Celebrates Day for Amigos With Friendship Machine By Valentina Vescovi, Published on August 05, 2010 7 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.