The BlindsiderThis one takes so much pre-planning that you may as well just do your revision. On the other hand, youll learn a skill that could come in handy in later life.Essentially, learn braille. Once youve done that, put a littlepiece of plastic in your pocket which has all your answers in the form of braille.Not sure when Shakespeare died? No problem, dip your hand into your jeans and feel the knowledge.