Take all the comments expressed on Twitter, crunch them with an analytics program and you can get a sense of the mood of a city, state or country.

U.S. researchers say they have come up with such a tool, called a "hedonometer," which is effectively a happiness sensor.

When Google launched its social networking service, Google Plus, during the summer of 2011, tens of millions of people clamored to sign up for an account.

But within months, critics had panned the new service, pointing to user pages bereft of meaningful content and exchanges. They said the new social site just wasn't, well, social. It seemed as though Facebook had cornered the market -- Google was too late to the party.

Samsung Electronics Co., Ltd, a global leader in digital media and digital convergence technologies, announced the launch of the world’s first 8 inch tablet, the GALAXY Note 8.0; a new era of intelligent Note technology set to re-ignite the mid-size tablet category that Samsung established in 2010. Providing unrivaled multimedia performance within a compact one-hand-grip screen, the GALAXY Note 8.0 has the power and advanced technology to evolve the tablet experience and ensure you achieve new levels of efficient multi-tasking while benefiting from superb voice call functionality. Furthermore, the intelligent S Pen brings together the latest innovation and the ease of using a traditional pen and paper; creating a sophisticated mobile experience that will enhance life on the go.

“Back in 2010 the launch of the first Samsung GALAXY Tab with 7 inch screen opened a new chapter in the mobile industry. Now almost three years later, Samsung continues to evolve the sector that meets the demands of modern life.” said JK Shin, President of the IT & Mobile Communications Division at Samsung Electronics.

The world's first web page will be dragged out of cyberspace and restored for today's Internet browsers as part of a project to celebrate 20 years of the Web, organizers said on Tuesday.

The European Organization for Nuclear Research (CERN) said it had begun recreating the website that launched that World Wide Web, as well as the hardware that made the groundbreaking technology possible.

The head of Japanese mobile operator Softbank on Tuesday defended his proposed $20 billion takeover of U.S. firm Sprint Nextel,

which will see his already heavily indebted company taking on even more loans.

Yahoo! on Monday pulled back the curtain on a new line-up of online shows along with new ways it will pair advertising with content at its websites.

The struggling Internet pioneer spotlighted coming programs at a flashy Digital Content NewFront event in New York that featured appearances from stars such as Ed Helms, John Stamos, Morgan Spurlock and Cheryl Hines.

Google is trying to upstage Siri, the sometimes droll assistant that answers questions and helps people manage their lives on Apple's iPhone and iPad.

The duel began Monday with the release of a free iPhone and iPad app that features Google Now, a technology that performs many of the same functions as Siri.

If a new study is to be believed, the "best performing Windows laptop" isn't a Windows laptop at all. It's an Apple MacBook Pro.

The 13-inch Apple laptop claimed the top spot in the study of laptops running Microsoft's Windows operating system, conducted by PC management service Soluto. Apple's 15-inch MacBook Pro also broke into the top 10, ringing in at number 6. Other PC manufacturers in the top 10 are Acer, Dell and Lenovo.

Research firm IDC said more smartphones than "dumb" phones are being made this year, a milestone in a shift that's putting computing power and Internet access in millions of hands worldwide.

Manufacturers shipped 216 million smartphones worldwide in the first three months of this year, compared with 189 million regular cellphones, according to a study IDC released late Thursday. IDC said smartphones made up 51.6 percent of the 419 million mobile phones shipped.

News website The Huffington Post will launch a German edition this year, the U.S.-based company and its media partner Tomorrow Focus, part of the Burda publishing group, said Monday.

A newsroom staffed with German journalists will be set up in the southern city of Munich in the coming months, and the site for Germany, Austria and Switzerland is set to go live later this year, both companies said.