Dean told the story of a hs friend who was killed when he fell asleep at the wheel. He wondered if the rumble strip would have saved him. Then he challenged us to think of rumble strips for any problem areas in our lives and make them an intrinsic part of the system we create to combat the problem. Sabine, I love the rule of 5. So very useful in many areas. Chris, I figured you would love that #1 was collect data.