Call Of Duty Black Ops 2 makes $1 billion in just 15 days making it the most popular entertainment release in history.
Black Ops hit the coveted $1billion milestone one day quicker than the previous record-holder Call of Duty: Modern Warfare III last year and two days ahead of the highest-grossing film of all time, Avatar.
It's also the biggest entertainment franchise ever, it made more money than both the Harry Potter and Star Wars series.
