Limitless is one of those movies that is not your typical generic cookie cutter: beginning, middle and end type of flick, but its head spinning is more similar to Inception or The Adjustment Bureau. It begins with a New York writer, Bradley Cooper, who has severe writers block, and as a result may lose his book deal. Then via an unexpected encounter, he hooks up with a magical little pill, called NZT. This little pill allows him access to major parts of his brain that he never uses and normally …