HOW TO CHANGE THE GAME 289
with which the defenses of their opponents were not pre-
pared to cope. They changed offensive football. As a result,
the 49ers were one of the most explosive scoring machines
in the history of professional football and winners of five
Super Bowls in a dozen years. Today, that scheme is in wide-
spread use and it is no longer the disruptive technology.
Nothing lasts forever. We have to constantly look for ways
that leap the competition. In the war for talent, HCM:21 has
shown its ability to do that.
Summary : L earning W hi le D oi ng
This process is an excellent way to teach management by
doing rather than playing. It has long been established that
doing something teaches it better than any other process.
Better than lectures, ...