Kotaku
According to "internal Activision estimates", Call of Duty: Modern Warfare 2 didn't just have a good launch, it had "the biggest launch in history across all forms of entertainment".
- 'Modern Warfare 2' Shatters First Day Sales Record - Switched
- Modern Warfare 2 sells 4.7 million copies in two regions on first day - VentureBeat » GamesBeat
- 'Call Of Duty: Modern Warfare 2' Launches With $310M On First Day - MTV Multiplayer