You're referring to the practice made widespread by Jack Welch when he was CEO of GE (20-70-10 aka "differentiation")[1]. http://www.usatoday.com/money/compani

You're referring to the practice made widespread by Jack Welch when he was CEO of GE (20-70-10 aka "differentiation")[1]. http://www.usatoday.com/money/companies/management/2005-04-17-welch-advice_x.htm http://www.usatoday.com/money/companies/management/2005-04-1...