A New York man with a shady past was arrested on Friday for using a forged contract with Facebook co-founder Mark Zuckerberg to lay claim to half of the world's leading online social network.

Paul Ceglia, 39, faces a pair of fraud charges that each carries a maximum sentence of 20 years in prison, according to federal prosecutors.

U.S. voters can slide their political orientation and news to the left, right or center with an elections website launched Friday by Microsoft search engine Bing.

The Bing Elections 2012 site was launched "to bring together comprehensive election news, up-to-the-minute election results, and social media insights -- all in one place," Bing marketing chief Mike Nichols said in a blog post.

It used to be that Microsoft was the evil empire, and Apple the scrappy underdog.

Now the roles are reversed, and Microsoft is challenging a dominant Apple, which has staked its claim as the leader of the sizzling mobile sector for tablets and smartphones, as well as the biggest seller of digital music.

Canada and the United States announced Friday they were launching a joint cyber-security plan to protect their digital infrastructure from online threats.

The action plan, under the auspices of the U.S. Department of Homeland Security and Public Safety Canada, aims to better protect critical digital infrastructure and improve the response to cyber incidents.

German media giant Axel Springer said on Friday it had agreed to sell its online gaming unit Gamigo in a move to focus on core digital activities.

"Axel Springer is continuing to focus on core competences in its digital business -- content portals, marketing and classifieds portals. In this context, Axel Springer is selling Gamigo AG to Samarion, a strategic investor in online gaming," the group said in a statement.

Zynga's beleaguered stock was boosted on Wednesday by an earnings report that beat expectations and an opening ante into real-money casino games in Britain.

Zynga reported it lost $52.725 million on revenue of $316.637 in the quarter that ended on September 30 but was so confident in its future that it planned to repurchase $200 million worth of its shares.

Microsoft on Friday will release a new version of its flagship Windows operating system tailored for a world shifting from personal computers to smartphones and tablets.

The software giant gambled by changing long familiar user interface features to make Windows 8 compatible with trends toward keeping programs and data in the Internet "cloud" and relying on mobile gadgets at work and at home.

The hacking movement known as Anonymous has made an unusual appeal to British police: "Stand with us."

Using email addresses apparently stolen from an online police forum, the cyber rebels sent a manifesto to several current and former British police officers.

Nintendo Co. trimmed its red ink for the fiscal first half to a 28 billion yen ($350 million) loss, but the Japanese game maker lowered its sales and profit forecasts for the full year ahead of the launch of its new Wii U home console.

Nintendo, which did not break down quarterly results, had reported a 70 billion yen loss for the April-September period last year.

Samsung Electronics Co. said Wednesday it expects 10 percent growth in PC sales by volume this year as it bets on new PCs that are hybrids of laptops and tablets to lift sluggish PC demand.

Samsung's PC team chief said the company hopes the ATIV series of laptops and tablets, which are powered by a new version of Microsoft's Windows operating system, would help lift its sales at a difficult time for the PC industry.