The issue focused on Twitter and Internet technology. Microsoft said it had received no requests for user data from U.S. government agencies.

It also pointed to other technologies like Windows 8, Windows Phone 8 and SkyDrive that require Windows software to function. Microsoft has always opposed Windows software being used by law enforcement or intelligence agencies to gather data.

In an interview with Reuters last month, Microsoft Chief Executive Steve Ballmer told the news agency he did not think Microsoft would want to develop products that could be