From Writer to Trainer: Designing an Effective Technical Training Class  

You spend six months working side by side with the designers and engineers, learning every nuance of the new system. You then spend another six months writing a complete set of training and reference manuals. Face it, you know this system inside and out. So it should come as no surprise when your boss decides you are the perfect person to conduct the training class.

Michaels, Dana. STC Proceedings (1995). Articles>Education>Instructional Design>Software