Sign-in details were stored in a format readable by company employees

US tech groups must take more responsibility for websites, says investor group

David Cicilline says FTC should launch a competition probe into social media giant

Targeting, based on age, race or gender, stopped users from seeing job and housing ads

Facebook-owned platform partners with 20 vendors including Adidas, Burberry and Zara

Researchers find advertising monitors on official pages of 25 member states

Suspected Christchurch shooter appeared to broadcast live footage of attack on Facebook

Top deputies depart as chief executive pushes on with plans to knit together trio of apps

Behind the major social media platforms are teams of people doing the difficult work of removing their worst material

Departures come less than a year after Mark Zuckerberg reshuffled management roles

Social media group statement appears to rule out third party involvement

Subpoenas issued in New York as social network hit by severe outages

False pieces of information viewed 105m times on Facebook, according to activists Avaaz

Tech giants ramp up recruitment of university scientists with big salaries and resources

Analysts say investors should focus on S&P 500 companies with the best sales growth

Senator becomes the latest US politician to argue Silicon Valley has too much power

Zuckerberg’s new vision pitched as a cultural change, but will also help bottom line