It's often been said that you need to study history so you can learn from it and not make the same mistakes. Instead of focusing just on mistake avoidance, we can also use history to spot trends and patterns that help us prepare for the future.
The history of our business is fairly short. ASTD just celebrated its 60th year, but for 20 years the "TD" stood for "Training Directors." In the early 1960s, a new professional association was formed, the National Society for Pro