Use mnemonic tricks to remember numbers, names, dates, and other flotsam you need to recall Put down your calculator and perform complex math in your head, with your fingers, or on the back of a napkin Spark your creativity with innovative brainstorming methods Use effective systems to capture new ideas before they get away Communicate in creative new ways-even using artificial languages Make better decisions by foreseeing problems and finding surprising solutions Improve your mental fitness with cool tricks and games