Call of Duty: Modern Warfare 2 broke records this year as the biggest ever entertainment launch in history. With an estimated 4.7 million units sold in the US and UK during the first 24 hours, it raked in revenues totaling $310 million. In five short days the game’s worldwide sales escalated to $550 million, dethroning previous record holders Harry Potter and the Half-Blood Prince (only $394m) ... more.