Perry Marshall is one of the world's most expensive and sought-after business consultants. Clients seek his ability to integrate engineering, sales, art and psychology. He launched two movements in modern marketing. His Google AdWords books laid the foundations for the $100 billion Pay Per Click industry, and techniques he pioneered are standard best practices. He wrote the world\u2019s best selling book on web advertising, Ultimate Guide to Google AdWords.\nMore recently, he's turned "80/20" into a verb. 80/20 is not just a fact about your business, it's action you take on your business. 80/20 is the central lever for every great strategy. His book 80/20 Sales & Marketing is mandatory in many growing companies. His books are course material in several business schools.\nResources\n\n80/20 Sales and Marketing (Book, 1\xa2 Offer)\nPerry Marshall (Facebook)\nPerry Marshall (LinkedIn)