Japanese tech fans got their first look Friday at the Apple Watch, with would-be early buyers queuing for a "trial fitting" in Tokyo's chic Omotesando area.

Apple says its first wearable device will connect wirelessly to a user's iPhone and will be the interface for messaging, calls and apps, especially ones geared toward health and fitness.

Samsung rolled out its new smartphone in South Korea and 20 other countries on Friday in a bid to restore its role as market leader.

The Galaxy S6 and its curved-edge variant, the Galaxy S6 Edge, went on sale in South Korea, home of the electronic giant, as well as Europe, the United States and markets in the Asia-Pacific such as Australia, Singapore and India.

When Samsung dubbed development of its latest smartphones "Project Zero," it was sounding a note of desperation as sales tumbled and it lost pole position in the crucial Chinese market to rivals Xiaomi and Apple.

The results of its overhaul, the flagship Galaxy S6 smartphone and the S6 Edge, go on sale in 20 countries on Friday. Samsung, which said "Project Zero" signified starting from scratch, is hoping a revamped design, a more intuitive interface and less clutter will help claw back lost market share.

An Austrian law graduate spearheading a class action case against Facebook for alleged privacy breaches officially filed the suit in a Vienna court on Thursday.

In a closely-watched case, Max Schrems and 25,000 other users are suing the social media giant for various rights violations, ranging from the "illegal" tracking of their data under EU law to Facebook's involvement in the PRISM surveillance program of the U.S. National Security Agency (NSA).

YouTube will soon give viewers the option of paying a monthly fee to skip ads.

On Wednesday, the online video service sent a letter to its most-popular content creators asking them to sign off on new contract terms to allow for the change.

It's not just your imagination: most American teenagers are online or on their smartphones every day, and many are almost continually connected. 

A Pew Research Center survey released Thursday found that 92 percent of US teens go online daily.

When social media software firm Sprinklr unveiled its latest funding last month, it vaulted into the club of "unicorns," or tech startups worth at least $1 billion.

The U.S. military command that scans North America's skies for enemy missiles and aircraft plans to move its communications gear to a Cold War-era mountain bunker, officers said Tuesday.

The shift to the Cheyenne Mountain base in Colorado is designed to safeguard the command's sensitive sensors and servers from a potential electromagnetic pulse (EMP) attack, military officers said.

An increasing number of students from Michigan's most financially strapped urban school districts, including Detroit and Flint, are joining robotics teams because local universities are making space and materials available at no charge.

The University of Michigan started the trend with its Michigan Engineering Zone. The 5,200-square-foot facility in Detroit, filled with two computer labs, a machine shop, robot testing area and collaborative workstations, hosts 18 teams from city schools. Many of them wouldn't be able to participate in the FIRST robotics contest otherwise.

Samsung's quarterly operating earnings fell 31 percent from a year earlier but the drop wasn't as big as expected in a sign the smartphone and computer chip giant may be emerging from its profit slump.

The company on Tuesday estimated its January-March operating profit at 5.9 trillion won ($5.4 billion), exceeding the average 5.5 trillion won forecast in a FactSet survey of analysts.