Toilet Potential

"... In 1969 John Hanley, a 23-year-old college student, was fined $1,000 by the U.S. District Court in Des Moines, Iowa, and placed on five years probation.  The social-science major had been selling franchises for toilet-cleaning routes that didn't exist.  In 1974, Hanley invented a three-course "human potential" training series, and then founded a company called Lifespring to sell it.  Over the next 15 years, nearly a half-million people took the courses at branches around the country, including one in Minneapolis.  The company ultimately raked in some $15 million a year."

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