Profits at European electrical goods retailer Kesa almost halved in the 2011-12 financial year, the group says, as it announces plans to rebrand the group Darty.

Conservative MP Louise Mensch launches a rival to microblogging site Twitter in the US.

The UK's advertising watchdog issues its first Twitter-related ban after posts by Wayne Rooney and Jack Wilshere.

BT joins other UK internet service providers (ISPs) in blocking access to The Pirate Bay, a ban the group says users have already circumvented.

Accusations the US and Israel jointly created the computer virus Flame are printed by the Washington Post newspaper.

Vietnam and Japan have opened a centre for research into rare earth minerals to challenge China's monopoly of supply.

The social network ditches Facebook Credits, its own currency, allowing app purchases to be made in local currencies.

Troubled social network Habbo Hotel is creating a new temporary website to allow users to post views about its future.