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 'Marketing Myopia' Revisited: Perhaps a Narrow Vision is Better Business Turns Out Some Train Companies Survived -- by Narrowing Their Niche By Al Ries, Published on December 04, 2013 6 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.