30 million answer Call of Duty

THE latest instalment of the video game series Call of Duty has become the fastest-selling entertainment product of all time.

Sales of Call of Duty: Modern Warfare 3 hit $1 billion just 16 days after its release on November 8 — breaking by one day the previous money-making record set by the hit 3D film Avatar.

Avatar took 17 days to reach $1bn in ticket sales in 2009, and went on to earn over $2.7bn worldwide.