Updated May 24: Japanese telecoms giant, NTT, is demonstrating new research into a variety of innovative and quirky internet search interfaces, including one in which the user 'navigates' an airship through a sky filled with search results.

A new high-speed Wi-Fi certification plan could actually mean reduced performance for Wi-Fi in future, a leading communications analyst has warned.

The Wi-Fi alliance this week announced that an interim standard for next generation wireless LANs has been approved. New products with the 802.11n draft 2.0 certification will be available from late June.

However, the Wi-Fi alliance has also said that some older 'pre-N' 802.11 wireless LAN products will also be certifiable under the new draft 2.0 certification.

A routine update of anti-virus software has disabled tens of thousands of PCs in China, according to local media reports. The faulty update caused Symantec's Norton AntiVirus software to remove critical Windows XP system files, the reports state.

A wave of PC failures swept the country this morning as PC users switched on their PCs and the software took action. Some companies have been so badly hit - with hundreds of failed PCs - that they are unable to function, local reporters said.

Sony plans to slow down the rate of PlayStation 3 shipments, according to forecasts the company revealed today. The news follows reports that sales are moving slowly. The company also said it plans to cut PS3 production costs, and predicts a rise in profits. Observers are divided on whether a PS3 price cut is likely in the immediate future.

Wireless network manufacturers are promising that a new standard will end Wi-Fi compatibility problems and other headaches. With the announcement of the 802.11n draft 2.0 standard today, the industry appears to be reaching out to disillusioned consumers.

Korean internet users are up in arms over a satirical video clip from US humorist Stephen Colbert.

Pundits who predict a crisis for paid video download services like iTunes are wrong, says a leading technology analyst. The challenge from advertising-supported rivals like Joost will not be a knockout punch, says Mike Wolf of ABI Research.

While TV show downloads will mostly be funded by advertising in future, movies are a very different story, points out Wolf, who is a Research Director with US-based ABI.

Thailand's government is demanding that YouTube help identify the users who posted insulting videos of the country's king. The demands from Thailand's Communications Minister, quoted in local press, reopen a controversy that has been widely reported as over.

YouTube, a Google subsidiary, earlier agreed to remove four video clips that clearly insulted Thailand's King, in a letter to Thai Communications Minister Sitthichai Pookaiyaudom.

Japanese hard drive maker Fujitsu has developed new technology that will increase the storage capacity of hard disk drives by up to 6 times, according to reports published in Japan today.

The company has released few details of the discovery, which greatly enhances the ability of a drive's read head to resolve data encoded magnetically on the disk surface. it is expected to reach the market within two years, according to the reports.

Leading PC manufacturers are often unable to resolve problems with the computers they make, according to new research. They were defeated by more than 40 percent of user problems with Windows PCs, US investigators found.

Customers also say they're tearing their hair out over manufacturers' phone support hassles and delays, and that paid technical support is often little better than free service.