Australian researchers have developed a "smart" bandage that changes color as a wound worsens or improves, potentially leading to the better treatment of ailments such as leg ulcers.

Lead inventor Louise van der Werff, a materials scientist at the Commonwealth Scientific and Industrial Research Organization, said the dressing would change from red to blue depending on the temperature of the wound.

More Chinese companies than ever took part in Asia's largest IT fair, which ended this weekend in Taipei, but their growing numbers could not disguise their lingering weaknesses, observers said.

China has a lot of catching up to do when it comes to innovation, not least when compared with the host of the five-day Computex fair, the small but savvy island of Taiwan, which punches above its weight in technology.

Apple chief executive Steve Jobs is taking a break from medical leave on Monday to preside over the opening of the company's annual conference for software developers.

And in a break from Apple's usual practice of shrouding its events in an air of mystery, the California gadget-maker this time revealed ahead of time what it plans to announce at the event in San Francisco.

Sony Pictures Entertainment apologized Saturday over a personal data breach that hackers said involved more than one million passwords, email addresses and other information being stolen.

"We deeply regret and apologies for any inconvenience caused to consumers by this cybercrime," the company said in a statement after the latest online attack targeting the Japanese electronics giant.

Secretary of State Hillary Clinton said Thursday that the U.S. government is looking into Google's "very serious" allegations of a cyber spying campaign originating in China.

It was serious enough for U.S. President Barack Obama to be kept informed as the White House said "threats to information and communications infrastructure pose a serious economic and national security challenge."

Hackers claimed on Thursday to have stolen more than one million passwords, email addresses and other information fromSonyPictures.com in the latest cyberattack on the Japanese electronics giant.

The claim was made by a group of hackers calling themselves "Lulz Security" on their Twitter feed @LulzSec.

Global online traffic will quadruple by 2015 as the number of gadgets linked to the Internet climbs to 15 billion, according to a forecast by networking colossus Cisco.

Cisco's fifth annual Visual Networking Index Forecast, released Wednesday, predicted that nearly three billion people, more than 40 percent of the expected world population, will be using the Internet by the year 2015.

Microsoft gave a sneak preview on Wednesday of the successor to Windows 7, a next-generation operating system designed to work on both personal computers and touch screen tablets.

Steven Sinofsky, president of Microsoft's Windows Division, demonstrated some of the features of the operating system code-named "Windows 8" at the D9 technology conference here hosted by All Things Digital.

Twitter said Wednesday that it is adding a photo-sharing option for its users, a move that could deal a blow to existing services such as Twitpic and yfrog.

Twitter chief executive Dick Costolo also announced at the All Things Digital technology conference here that the San Francisco-based service was upgrading its search function.

Two young men and two women were found dead in a car Thursday in an apparent Internet-based group suicide, South Korean police said.

Police said the four, including a 25-year-old woman identified only as Park, left suicide notes in their bags in the car parked next to a river in Seongju, 210 kilometers (126 miles) southeast of Seoul.