If 
you want to get technical about it, the human race has played Call of Duty longer than it has existed.
New data from Activision shows that since the release of Call of Duty 4: Modern Warfare, fans of the game have spent 25 billion hours playing Call of Duty games. That works out to 2.85 million years. In contrast, the human race has only been around for 2.3 million.
Chris Morris: Journalist 