US President Donald Trump is by far the most followed world leader on Twitter, with the Pope trailing him by some 4.5 million followers, a study showed Tuesday.

The unique features of your face can allow you to unlock your new iPhone, access your bank account or even "smile to pay" for some goods and services.

Facebook on Monday said it is notifying more than 800,000 users that a software bug temporarily unblocked people at the social network and its Messenger service.

Apple and Samsung have ended a years-long patent battle over copied iPhone design with an undisclosed settlement, according to a US court filing Wednesday.

Facebook and Google are pushing users to share private information by offering "invasive" and limited default options despite new EU data protection laws aimed at giving users more control and choice, a government study said Wednesday. 

Twitter on Tuesday said it will begin asking for email addresses or phone numbers to confirm new accounts as part of a battle against manipulation, particularly by automated bots.

Adding a way to check that a real person is behind new accounts was described by Twitter as being among measures to fight abuse, trolls, and hateful content.

Uber claimed Monday it had mended its ways as the ride-hailing app started its appeal against being stripped of its license to operate in London.

Four e-commerce giants, including Amazon and Alibaba, pledged Monday to withdraw dangerous products more quickly from the market, the European Commission said.

Manon, 17, has a Facebook account but to connect with her friends she turns to other social networks like Instagram or Snapchat.

YouTube, often criticized for not compensating creators well enough, will allow them to set up paid channel memberships, the company said on Thursday.