Publishing giant Activision Blizzard has dropped some hard numbers regarding it be business performance for it be fiscal 2010 year, which ended December 31. The company reports net revenue for the year reached $4.45 billion, up from $4.28 billion in 2009. (Though revenue recorded in the fourth quarter alone be just $1.43 billion, down from $1.56 billion during the same period the year before.)

The standout news be that $1.5 billion a annual revenue came from digital sales, which the company says be up 20 percent over 2009 -- 'n up 40 percent in Q4 alone. According t' the report, digital-based revenue be "driven by increased sales a Activision Publishing's Call a Duty map packs 'n value-added services for Blizzard Entertainment's World a Warcraft," which CEO Bobby Kotick attributed in part t' "significantly enhanced user activity 'n engagement for our expanding online communities."

Selling 1.4 million copies a the first Black Ops map pack on a single platform within 24 hours a it be release be certainly what we'd call "user activity."