InformationWeek posted a news story that Nokia would receive billions of dollars in incentives from Microsoft for agreeing to make Windows Phone 7 the primary operating system for its smartphones.

Speaking at the World Mobile Congress in Barcelona, Elop said the deal's value to Nokia is "in Bs not in Ms." The comment sparked speculation that Microsoft is, in effect, paying Nokia—the world's biggest cell phone manufacturer in terms of market share—to carry Windows Phone 7 on its smartphones.

  Microsoft To Pay Nokia Billions For Windows Phone 7 Switch