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 Once Brand Takes Flight, It's Hard to Bring It Down Tylenol, Toyota and Tiger: Almost Impervious to Flak By Al Ries, Published on May 03, 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. Become a Member Already a member? Log in.