Support for ad-tracking opt out
Privacy advocates seek the creation of an opt-out list for net users who do not want to be tracked by advertisers.

Wind-up lights for African homes
The technology behind the wind-up radio could soon be helping to light up homes across Africa.

Leopard upgrade hits Mac firewall
Upgrading to the latest version of OS X could leave a Mac less secure than it was before.

Intel backs wireless Africa plan
Africa should embrace wireless broadband as a potential solution to the digital divide, says Intel's chairman.

Google shares pass $700
Google's shares pass $700 for the first time, lifted by reports it plans to enter the mobile phone market.