How to Make a Good Diagram and a Bad One

"Sometimes you don't mead to like, just completely continue down the path of visual perfectionism," says Lake. "The best diagrams i have made have been walking up to whiteboard in a complicated moment where everybody in the room totally stock drawing a square", he adds. 'If we were to take a picture of that, put it into a deck and expect to understand it, it's no longer a diagram'