Technology

China has closed more than 4,800 pornographic websites in little over a month, the government has claimed.

More than 270 website operators have already been arrested, and police had been called in to investigate possible illegality in 1,170 cases, according to the public security ministry. The ministry began a new campaign against online porn on April 15.

Updated May 25: Sony has revealed an experimental flexible full color display that is only 0.3mm thick. The 2.5-inch prototype panel shown at a technology conference today weighs 1.5 grams. Sony claims it is the world's first flexible full color organic EL (electroluminescent) display with an organic TFT drive.

Google has substantially increased its share of online advertising in China, the world's most populous market, according to new market data. However, the global search leader is still far behind Chinese firms like Baidu.

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.