Apple on Wednesday sent out invitations to an October 16 event expected to spotlight updates to its line of iPad tablet computers.

The global market for personal computers showed signs of stabilizing in the third quarter as infatuation with tablets appeared to fade, a market tracker said Wednesday.

Taiwan-based HTC on Wednesday unveiled its newest smartphone with high-resolution cameras on both sides to appeal to people who take "selfie" pictures.

The HTC Desire Eye, unveiled at a New York event, includes 13-megapixel cameras on both the front and back.

Google's Eric Schmidt said on Wednesday U.S. online spying is a threat so dire it could wind up "breaking the Internet."

Schmidt's concern was echoed by Facebook, Microsoft, Dropbox and others involved in a panel discussion in Silicon Valley led by Senate finance committee chairman Ron Wyden. 

The European Union will ask major U.S. technology companies including Facebook, Google and Twitter to help tackle online extremism at a meeting on Wednesday, officials said.

Yahoo said some of its servers were breached briefly by hackers, but that the attack was unrelated to the newly discovered Shellshock vulnerability, and that no user data was compromised.

Facebook on Tuesday ramped up its "Audience Network" that mines what it knows about users to target ads in other applications on smartphones or tablet computers.

Twitter sued the US government Tuesday, claiming its free speech rights are being violated by restrictions on its ability to disclose numbers of secret orders to hand over user data.

Drivers using hands-free virtual assistants like Apple's Siri can be distracted by the technology, creating safety hazards, according to a study released Tuesday.

Glasses that tell you how to get home, adverts that know where you are looking and a T-shirt that knows how fast your heart is beating were on display at a huge tech gathering in Japan Tuesday.