"If you have ever been engaged in a project requiring you to use techniques and technologies you are not completely familiar with, you may have welcomed an interruption from a colleague seeking your help on an unrelated matter. Welcome as the distraction may have been, it likely caused a significant time loss when you returned your focus to the unfamiliar task at hand. Keith Harrison-Broninski has a tried and true remedy for avoiding such focus derailments. Read his Column for the formula."