The global launch of Samsung's latest smartphone has been upstaged by South Korean mobile network companies.

SK Telecom, South Korea's largest mobile carrier, said it will start selling the Galaxy S5 on Thursday, two weeks before the scheduled sales launch on April 11.

King Digital, maker of the wildly popular Candy Crush video game, got a sour welcome on Wall Street Wednesday as shares tumbled some 15 percent in their first trading day.

King's initial public offering (IPO) raised $500 million from the sale of 22.2 million shares, as the British company sought to capitalize on the popularity of Candy Crush Saga, which boasts some 97 million players worldwide.

Twitter on Wednesday added Facebook-style photo "tagging" and bumped up the number of images that iPhone users can share in a single post.

As many as 10 people in a single image can be "tagged" with names without eating into the 140-character limit to text messages posted at the service, Twitter software engineer Cesar Puerta said in a blog post.

HTC is updating its flagship HTC One smartphone by giving it a larger screen, better software and more camera features.

The original HTC One received good reviews and was named the best smartphone of 2013 at the wireless industry's premier trade show in Barcelona, Spain, last month. But HTC has failed to translate that glowing praise into sales.

Facebook on Tuesday announced a $2-billion deal to buy a startup behind virtual reality headgear that promises to let people truly dive into their friends' lives.

Facebook co-founder and chief Mark Zuckerberg said that the acquisition of Oculus was a long-term bet that making the social network's offerings more immersive would pay off.

Google on Monday said it is joining forces with the frame giant behind Ray-Ban and other brands to create and sell Glass Internet-linked eyewear in the U.S.

The California-based technology titan billed the partnership with Luxottica as its "biggest step yet into the emerging smart eyewear market."

Text messaging may be dying out as a means of communication in many parts of the advanced world, but it may yet prove to be a vital life-saver in flood-prone African villages.

An early-warning system that aims to capitalize on the explosive growth of mobile phone penetration in Africa could soon be in place to broadcast alerts to all users at risk from natural disasters such as flooding or hurricanes.

King Digital, the company behind the wildly mobile game "Candy Crush Saga," is scheduled to make its debut on the New York Stock Exchange this week.

The company could be valued as high as $7.6 billion if its initial public offering prices at $24 per share, the upper end of its expected range. That's nearly twice as much as its closest rival Zynga Inc., the creator of "FarmVille."

Control of the Internet should be handed from U.S. supervision to a diverse group of stakeholders, and not to governments that could limit freedoms, a meeting on the web's future heard Monday.

Organizers also said that a U.S. decision to relinquish control was not the result of any one event -- after speculation it came under pressure from snooping disclosures from former National Security Agency contractor Edward Snowden.

Apple is in talks with U.S. cable and Internet giant Comcast about a streaming-television service that would use an Apple set-top box, a report said Sunday.

Talks are in their early stages but any deal would allow Apple to get special treatment on Comcast's cables to ensure it bypasses congestion on the web, The Wall Street Journal said, citing people familiar with the matter.