While these methodologies may have worked for some organizations in the past and may still work in some circumstances, for many companies these methodologies only added cost and complexity while providing a false sense of security that management was “doing something” by exhaustively planning, measuring, and controlling. Huge costs were sunk in premature planning, without the rapid iterative development and continuous feedback from customers that we have come to realize are prerequisites for success today. The results are stark – repeated, public failures such as the London Ambulance System and the Denver Airport Baggage system earned the software industry.
