There's no doubt 2013 was one of the most pivotal years in Dell's storied history, but this year was riddled with some shocking and even controversial events. A game-changing plan by Michael Dell to buy back the company and take it private? Check. A spirited debate about the buyback price and shareholder value? Check. An aggressive takeover plan from corporate raider Carl Icahn? Check. A major channel management shakeup? Check. An overhaul of its Dell Direct accounts and partner sales strategy? Check. What a year it was for Michael Dell and company.