The fine was imposed on Microsoft for failing to offer Window users a choice of Internet browsers. The U.S. software company promised to give European consumers a choice of browsers back in a 2009 antitrust settlement.

Overhauling immigration is complicated and controversial. There's been a proposed increase in H-1B visas. Those are the visas that allow companies to bring in skilled foreign workers for jobs that can't be filled by Americans.

Microsoft reported a 4 percent decline in earnings. The figures are blamed on sagging sales of personal computers.

For the first time, Apple's iPad has some competition: Google's Nexus, Amazon's Kindle Fire HD and the Microsoft Surface. Tech reporters Steve Henn and Laura Sydell have been testing out the latest tablets this holiday season 鈥� and found that content is king.

It was a big week for Microsoft. The company introduced its new operating system 鈥� Windows 8 鈥� and stepped into the ever-expanding tablet market. These are major steps for a company that has been perceived as lagging behind Apple and Google in innovation. For more, Weekend Edition host Scott Simon is joined by NPR's Steve Henn.

This week, Microsoft will roll out the largest upgrade of its Windows software in more than a decade. And for the first time, it's marketing a tablet, called Surface. Microsoft still commands a formidable computing empire, but it's an empire under siege.

The firms, the report says, used aggressive international tax maneuvers to avoid taxes. But it's all legal.

It's a mobile gadget lover's dream week. Nokia, Microsoft and Google's Motorola introduce new smartphones. Amazon will show off a new Kindle. And all these companies are positioning themselves in advance of Apple's new iPhone 5, which comes out next week.

If users are wedded to the @hotmail address, they will not be forced to shift.

The motive for the attack wasn't clear and no one was injured.