Al Ries and Jack Trout Rules of Thumb
From the "22 Immutable Laws of Marketing" book ...
Law #1: The Law of Leadership
Law #2: The Law of the Category
Law #3: The Law of the Mind
Law #4: The Law of Perception
Law #5: The Law of Focus
Law #6: The Law of Exclusivity
Law #7: The Law of the Ladder
Law #8: The Law of Duality
Law #9: The Law of the Opposite
Law #10: The Law of Division
Law #11: The Law of Perspective
Law #12: The Law of Line Extension
Law #13: The Law of Sacrifice
Law #14: The Law of Attributes
Law #15: The Law of Candor
Law #16: The Law of Singularity
Law #17: The Law of Unpredictability
Law #18: The Law of Success
Law #19: The Law of Failure
Law #20: The Law of Hype
Law #21: The Law of Acceleration
Law #22: The Law of Resources