Instagram will introduce new features aimed at curbing online bullying, the Facebook-owned platform announced Monday, as social media giants face increased scrutiny over the harassment faced by many users.

There have been growing calls around the world for greater oversight of platforms like Facebook and Twitter, amid widespread criticism over bullying, as well as the spread of hate speech and fake news.

Britain's competition authority said Friday it was looking into the acquisition by U.S. online giant Amazon of a stake in Deliveroo, an app-based service firm that delivers restaurant meals to clients using bicycle or moped riders.

Brigitte Macron, wife of France's president and a former teacher, on Thursday lashed out at online bullying, denouncing it as "relentless" in remarks to G7 education ministers. 

Game Cooks, a leading gaming studio of mobile and Virtual Reality (VR) content based in San Francisco and Beirut, has won the “VR and Beyond” challenge organized by Dubai Future Accelerators in partnership with Burj Khalifa and HTC Vive Middle East.

Game Cooks competed with around 115 VR companies from around the world and was shortlisted among 6 finalists before earning the first rank. The event organizers had invited VR developers and companies to build VR content for Burj Khalifa to enhance visitors’ experience. The competition rewards the most captivating and memorable user experience in virtual reality.

Facebook said it was "back at 100 percent" Wednesday evening after an outage on all of its services affected users in various parts of the world.

Twitter said Thursday it would label and "deprioritize" tweets from officials and politicians that violate its rules -- a move potentially affecting the prodigious output of U.S. President Donald Trump. 

The EU's powerful anti-trust authority on Thursday cleared the buyout by IBM of open source software company Red Hat, one of the biggest tech mergers in history which the computing giant said would enhance its cloud offerings.

Huawei employees have teamed up with Chinese military scientists to carry out research, a collaboration that challenges the telecom giant's assertion that it has no ties to the country's government or armed forces.

Facebook boss Mark Zuckerberg said Wednesday that a lack of action by US authorities on fake political content on the platform after the 2016 US election helped pave the way for a subsequent avalanche of online disinformation.

The CEO -- who has himself been widely criticised for a lackluster response to fake news -- also called on governments to further regulate private data, political advertising and step up efforts to prevent state actors from interfering in US elections.

Heading in to the G20 summit, Facebook is on notice from powerful regulators including the Fed chief that its ambitious plans for a global crypto-currency face piercing scrutiny.