Telecommuting, a growing trend in the U.S. workplace, is coming under fresh scrutiny following news that Yahoo! is curbing the practice.

The trend of working from home has been gaining steam for decades, as part of a workplace evolution which allows greater family-work balance and saves energy and commuting costs.

Internet users who are illegally sharing music, movies or television shows are going to start to receive warning notices from America's five major Internet service providers.

The Copyright Alert System, organized by the recording and film industry, is being activated this week to target consumers who may be engaging in piracy using peer-to-peer software.

Facebook has agreed to remove some so-called tribute pages related to last year's Connecticut school shooting over concerns they're being used to exploit the tragedy, U.S. Sen. Richard Blumenthal said Monday.

Blumenthal and other lawmakers from the state requested the removal of offending pages in a letter to Facebook chief executive Mark Zuckerberg on Monday.

Beijing hotly denies accusations of official involvement in massive cyberattacks against foreign targets, insinuating such activity is the work of rogues. But at least one piece of evidence cited by experts points to professional cyberspies: China's hackers don't work weekends.

Accusations of state-sanctioned hacking took center stage this past week following a detailed report by a U.S.-based Internet security firm Mandiant. It added to growing suspicions that the Chinese military is not only stealing national defense secrets and harassing dissidents but also pilfering information from foreign companies that could be worth millions or even billions of dollars.

A transparent film that costs just one euro ($1.30) to make could bring an end to the anguish of mobile phone users facing the dreaded dead-battery message.

Wysips, a startup based in Aix-en-Provence, southern France, has developed a photovoltaic film which can be built seamlessly into a mobile phone screen and deliver the joy of life to a flat battery.

Nokia unveiled a cheaper model in its Lumia smartphone range, powered by Microsoft's Windows phone software, as it tries to regain dominance in emerging markets like China.

The Finnish cellphone maker, which until recently was the world's largest maker of phones, said Monday the new Lumia 520 will start at €139, or about $183, before phone-company subsidies.

Mozilla Foundation announced Sunday it will launch in mid 2013 its widely anticipated Firefox operating system for smartphones in a direct challenge to the duopoly of Apple's iOS and Google's Android.

Mozilla, which campaigns for open development of the online world, showed off the first commercial version of the Firefox OS on the eve of the opening of the world's biggest mobile fair in Barcelona, Spain.

Lightning-fast fourth generation mobile networks are spreading rapidly worldwide, led by the United States, Japan and South Korea, but Europe lags behind and its economic crisis could brake investment, an industry report said Monday.

Next generation Long Term Evolution, or LTE, networks promise download speeds to mobile phone users as fast as fixed broadband connections, opening the way to new mobile services such as high-definition videos with no buffering lag.

LG Electronics on Monday set a global sales target of 40 million smartphones for 2013, as the South Korean firm seeks to expand its presence in a market dominated by bigger rivals such as Samsung.

The world's fifth-largest handset maker said in a statement that it aims to shift 10 million units each quarter by more than doubling sales of phones designed for next-generation 4G services called Long-Term Evolution (LTE).

When the top executives of the world's wireless industry gather next week in Barcelona, Spain, for their annual trade show, cellphones will take a back seat to talk of cars, electric meters and insulin monitors.

That idea of empowering new devices with wireless connections has been percolating for years. General Motors cars have had wireless OnStar connections for more than a decade. But the push is intensifying now that most people have cellphones —and the wireless industry's future growth depends on it. That means the GSM Mobile World Congress, the telecommunications industry's largest annual trade show, will be abuzz with discussion of devices like "smart" meters that report a home's usage of electricity, natural gas or water back to the utility, and to your phone.