The British Retail Consortium says a record amount of internet shopping was done in December, with close to one in five non-food items bought online.

An update to Google's web-based email service, Gmail, allows users to message each other without exchanging email addresses.

US retail giant Target's investigation into December's major data theft reveals that up to 70 million people are affected, not 40 million as first thought.

A service that offers secure storage and insurance for deposits of bitcoins is launched in London.