KPIs, while used commonly around the world, have never been clearly defined until now. Management has often referred to certain measures as KPIs that have never been KPIs. The lack of understanding of performance measures has led to most monitoring and reporting of measures failing to deliver. The casualty has often been the balanced scorecard, a brilliant tool that can only work if the appropriate measures are in it. By exploring measures that have transformed businesses, David Parmenter has developed a methodology that is breathtaking in its simplicity and yet profound in its impact. It has been said that Key Performance Indicators is the missing link between the balanced scorecard work of Robert Kaplan and David Norton and the reality of implementing performance measurement in an organization.