If you are working on the consumer strategy for Poland Spring, besides getting your water delivered from Nestle Waters, also subscribe from Wissahickon Mountain Spring Water, DS Waters of America, Voss Artesian, Silver Springs, Eden Springs. Find out what kind of special offers you are getting while you are a customer. Figure out what kind of landing pages make you tick and stick.
If you are working on the consumer strategy for AOL, subscribe to services from Google, MSN and Yahoo, note the pros and cons of these services, their unique features, and their user experience models.
If you are working on the consumer strategy for MasterCard, learn the business model of American Express, find your client's differentiation from VISA, and digg up brand management for the Discover Card.
Know the strengths and weaknesses of yourself as well as your competitors and you will succeed. This is one of the fundamental ideas from Sun Tzu's The Art of War (孫子兵法).
You can read the full text of The Art of War in English, Español, Français, Nederlands and 中文 on WikiSource.