While the fictitious detective Sherlock Holmes had the amazing ability to deduce facts only from what he saw, his assistant, Dr John Watson, complained of his own inability to see the same facts. Sherlock responded: "On the contrary, Watson, you can see everything. You fail, however, to reason from what you see." In other words, it was not only that that one must observe, but one must analyse and draw conclusions from these observations. That was Drucker's secret also.
Drucker's Methodology
Dr...
