The founder of Wikipedia is leading calls for search engines and social media sites to take themselves offline for an entire day over pending US legislation.

Google has began selling digital music in a direct challenge to Apple's iTunes and Amazon's online shop - ten years after the Apple service was launched.

Anyone hoping for a weekend fix to the global banking sector will have to wait a little longer - perhaps a lot longer.

It's boom time for the site once considered a fad, as tailored online ads take off.