After much vacillation and indecision, Groupon finally pulled the trigger and fired CEO Andrew Mason. After a rocky ride since the companies IPO and with no turn-around in sight, the once revered leader of the “supposed” next great tech success story was punted to the curb in hopes that new blood will suddenly make this one time Chicago Gem into what people once thought it could be.Upon his firing, Mason shared his thoughts with his employees (and everyone else by intentionally leaking the note) through this letter where he says his good byes.After four and a half intense and wonderful years as CEO of Groupon, I’ve decided that I’d like to spend