A knock-off MacBook Air running Windows, a tablet computer shaped like a big iPhone and another tablet meant to rival Apple's iPad were all among the devices shown off by a small Chinese gadget maker on Thursday.

Ballmer doesn't use one but apparently as many as 10,000 Microsoft employees do. Embarrassingly, the device in question is Apple's iPhone.

HP extended the warranties on motherboards in certain laptops in China as it came under increasing criticism there for problems including overheating in some of its computers.

China now has the iPhone and more big-name smartphones are due in the country, but few buyers overall are choosing smartphones despite promotion by China's mobile carriers.

Light coming from lamps in your home could eventually be used to encode a wireless broadband signal, according to German researchers.

At least two of the companies have billed their tablets as imitation Apple devices.

The paper, Limits of Predictability in Human Mobility, published in Science magazine, claims a person's habits are so predictable that they can be tracked based on their most frequented locations which are registered by mobile phones.

Hong Kong Broadband Network said recently it has launched 100Mbps connectivity and WiFi broadband services at the new North Satellite Concourse of the Hong Kong International Airport (HKIA).