Hackers calling themselves the "Polish Underground" took down the Polish government website Monday, the latest in a series of attacks protesting against anti-piracy legislation.

At the weekend, the computer hacker group Anonymous targeted official websites belonging to Poland's president, prime minister and parliament, also to protest against the Anti-Counterfeiting Trade Agreement (ACTA).

Tablets and e-readers were a popular gift over the holidays, so much so that the number of people who own them nearly doubled between mid-December and January, a new study finds.

A report from the Pew Internet and American Life Project set to be released Monday found that 29 percent of Americans owned at least one tablet or e-reader as of the beginning of this month. That's up from 18 percent who said the same in December.

Japanese high-tech giant Hitachi said it will stop making televisions by the end of September as intense price competition hurts TV earnings at many electronics manufacturers worldwide.

Hitachi will "terminate television production by the end of September" in Japan, said Sayori Nishino, a company spokeswoman, having already outsourced overseas TV manufacturing to foreign firms in 2009.

Mike Lazaridis and Jim Balsillie, the co-chief executives of Research In Motion, have resigned following months of investor pressure for a change at the helm of the struggling BlackBerry maker.

Chief operating officer Thorsten Heins was named president and CEO of the Waterloo, Ontario-based RIM, which has been steadily losing market share to Apple's iPhone and handsets powered by Google's Android software.

Governments must strike a balance between policing the Internet to protect copyright and upholding freedom of expression, EU justice commissioner Viviane Reding said on Sunday.

Reding was reacting to a U.S. crackdown on hundreds of websites accused of offering pirated music or movies or counterfeit goods, as well as calls for new legislation to guard intellectual property.

The computer hacker group Anonymous attacked websites of Brazil's federal district Saturday as well as one belonging to a Brazilian singer to protest the forced closure of Megaupload.com.

Anonymous posted messages on Twitter describing attacks against hundreds of Brazilian sites that share the URL 'df.gov.br,' which are owned by the government of the federal capital in Rio de Janeiro.

Zynga, the social game company known for "FarmVille" and "Zynga Poker," is mulling a new market — online gambling.

Zynga Inc. confirmed Friday that it is in active talks with potential partners. San Francisco-based Zynga says it is speaking to the potential partners in order to "better understand and explore" the opportunity in online gambling involving real money.

Hong Kong Customs officers have raided offices, domestic premises and luxury hotel suites as part of a worldwide FBI Internet piracy investigation into file-sharing site Megaupload.com.

One hundred officers took part in the raids Friday which seized a large amount of digital evidence and uncovered about HK$330 million ($42 million) in suspected crime proceeds, Customs said.

For the communist cadre who has everything, a shadowy Chinese company is offering a $1,590 tablet computer called the "Red Pad" reserved for the nation's top officials.

The pricey device, whose existence was publicized by state media this week, has drawn mocking comparisons to Apple's iPad from Chinese netizens.

U.S. authorities have shut down one of the largest file-sharing websites and charged seven people with copyright crimes, sparking a retaliatory cyber-attack on the FBI and Justice Department websites.

The two government sites were up and running again early Friday after being shut down for several hours in an attack claimed by the "Anonymous" hacktivist group, which also briefly disabled music and recording industry websites.