call of duty 4

Activision Blizzard's "Call of Duty: Black Ops" video game has raked in more than $1 billion in sales since its Nov. 9 release, making it the fastest-selling video game in history -- and one of the fastest-selling entertainment products of all time.

Stores sold 4% less video-game equipment -- including hardware, software and accessories -- in October compared to a year ago, according to research firm NPD Group. While players are spending more on the games themselves, they aren't shelling out for new consoles: Sales of those systems declined significantly.

Should Activision Blizzard (ATVI) have delayed the release of Call of Duty: Modern Warfare 2, perhaps the most eagerly anticipated video game of the year, while the memories of the massacre at Fort Hood are still fresh? Maj. Nidal Malik Hasan, an Army psychiatrist, allegedly shot 13 people at the...