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 Ambulance Chasers Offer Lessons in Digital Marketing Marketing Do's and Don'ts -- Especially Don'ts! -- From a Surprising Source By Simon Dumenco, Published on February 29, 2012 8 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.