If you haven’t heard of Marie Kondo’s tips for tidying up, perhaps you’ve been too buried under piles of clutter to notice. I’m only partly joking. The Life Changing Magic of Tidying Up: The Japanese Art of Decluttering and Organizing has sold eight million copies worldwide—even in already-tidy Japan. I discovered Kondo’s book several years ago and it didn’t take long to deduce why I fell under her spell. Kondo’s KonMari approach to organization aligns perfectly with the science of motivation. Find out why in my SmartBrief blog here.