Tablet computers to rival Apple's iPad are creating a stir as one of Europe's largest technology shows, the IFA, gets under way in Berlin.

Dell withdraws its bid for 3Par after rival Hewlett-Packard raises its offer for the data storage company to $2.1bn.

A potentially revolutionary circuit component, once a laboratory curiosity, is to be mass-produced for the first time.

The global disparity in access to broadband around the world and the cost of a connection is revealed by UN figures.

Samsung has become the latest manufacturer to enter into the tablet computer market with its Galaxy Tab.

US net users are being asked for their opinions about what ISPs should be allowed to do with web traffic flowing through their networks.

Apple launches a music-based social network called Ping as part of its latest upgrade to the iTunes music software.

Sony has unveiled its own music and video download service in an announcement timed to coincide with an Apple media event.

Mobile operator O2 and Apple are still resolving a months-old data roaming issue, with customers complaining of charges they didn't incur.

A revamp of the social-news site Digg has unexpectedly backfired on its owners after members redirected traffic to a rival site.

The Advertising Standards Authority (ASA) is extending its remit to cover the online realm.

Sweden's director of public prosecutions orders the reopening of a rape investigation into Wikileaks founder Julian Assange.

Bill Thompson on Microsoft's game-changing browser

The PlayStation Move controller put on test

Mobile firm Orange becomes the first UK network to use a new technology that claims to offer higher quality voice calls.

The Advertising Standards Authority is given the power to regulate ads and marketing claims on websites and services like Facebook.

More than three million doctors have downloaded a phone application to monitor heartbeats through a phone.

Following tough action against Blackberry, security forces in India turn their attention to Google and Skype.

The internet pranksters who helped expose cat bin lady

Google launches priority inbox to help conquer e-mail overload and rank messages in the order that they matter most.