What is "80" and what is "20" for your business right now? Take my 2-minute quiz and I'll show you where you'll get the highest compound interest on your time and money!
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About the Author
Perry Marshall has launched two revolutions in sales and marketing. In Pay-Per-Click advertising, he pioneered best practices and wrote the world's best selling book on Google advertising. And he's driven the 80/20 Principle deeper than any other author, creating a new movement in business.
He is referenced across the Internet and by Harvard Business Review, The New York Times, INC and Forbes Magazine.