Microblogging site Twitter is to stop counting photos and links in its 140-character limit for tweets, a report says.

The billionaire investor Warren Buffett has revealed that his investment firm Berkshire Hathaway has bought a $1bn stake in Apple.

A Ukrainian man has pleaded guilty to his role in a hacking and insider trading scheme, US officials say.

Chinese tech firm Baidu has unveiled an ambitious plan to allow driverless vehicles to move freely around an entire city.

Four members of the “Trollstation” pranksters group have been jailed in connection with fake robberies and kidnappings.

An “intelligent” prosthetic limb, improved MRI scanners and green engines are the three finalists for a major UK engineering prize.