Any lingering fears about “Call of Duty: Black Ops” being 
overshadowed by its predecessor can now be dismissed—Activision-Blizzard announced Tuesday that the latest installment in the series has topped $1 billion in worldwide sales.
That’s nearly a month faster than “Call of Duty: Modern Warfare 2” hit the milestone, and it indicates the publisher could be on track to once again set entertainment and video game industry records.
Chris Morris: Journalist 