Facebook’s Apps Went Down. The World Saw How Much It Runs on Them.

The outage disrupted the digital lives of small-business owners, politicians, aid workers and others. But for some, it was a welcome reprieve.

Gone in Minutes, Out for Hours: Outage Shakes Facebook

When apps used by billions of people worldwide blinked out, lives were disrupted, businesses were cut off from customers — and some Facebook employees were locked out of their offices.

Facebook Is Weaker Than We Knew

A trove of leaked documents, published by The Wall Street Journal, hints at a company whose best days are behind it.

Whistle-Blower Says Facebook ‘Chooses Profits Over Safety’

Frances Haugen, a Facebook product manager who left the company in May, revealed that she had provided internal documents to journalists and others.

Clive Sinclair, Inventive Computer Pioneer, Dies at 81

His inexpensive Sinclair personal computer, one of many inventions, was an introduction to computing for young people in Britain and beyond.

Whistle-Blower to Accuse Facebook of Contributing to Jan. 6 Riot, Memo Says

In an internal memo meant to pre-empt a “60 Minutes” interview, Facebook defended itself and said that social media was not a primary cause of polarization.

Facebook Struggles to Quell Uproar Over Instagram’s Effect on Teens

The social network has been all hands on deck as it grapples with revelations that it knew the harmful effects its Instagram photo-sharing app was having on teenagers.

Key takeaways from the fourth week of the Elizabeth Holmes trial.

A Theranos lab director emerged as key prosecution witness during testimony focused on problems with the company’s blood tests.

Opinion | Clearly, Facebook Is Very Flawed. What Will We Do About It?

A damning expose depicts a company with all the information it needs to fix the egregious oversights and mistakes of the past.

Opinion | There’s Nothing to Like in Facebook’s Plans to Hook Our Kids

Getting children hooked on social media is a bad idea.

Trump Server Mystery Produces Fresh Conflict

A recent indictment suggested that researchers who found strange internet links between a Russian bank and the Trump Organization did not really believe their own work. They are pushing back.

Facebook Downplays Internal Research Released on Eve of Hearing

The social network published its findings about Instagram’s effect on young users, as senators prepared to question an executive on Thursday.

‘Stalkerware’ Apps Are Proliferating. Protect Yourself.

These spyware apps record your conversations, location and everything you type, all while camouflaged as a calculator or calendar.

One Man’s Endless Hunt for a Dopamine Rush in Virtual Reality

From Burning Man to spaceships, the technology has carried him through a 10-year fascination that delights, disappoints and continues to improve.

Opinion | Instagram Is Adult Entertainment

We can’t make social media safe for teenagers. So we should keep them off.

Facebook groups promoting ivermectin as a Covid-19 treatment continue to flourish.

In some of the groups, members are given advice on how to evade the company’s rules on misinformation.

How Covid Misinformation Created a Run on Animal Medicine

Veterinarians, ranchers and farmers say they are struggling with the effects of the surging demand for ivermectin, a deworming drug.

Opinion | The Maps That Steer Us Wrong

Misleading maps are leading us astray.

New Limits Give Chinese Video Gamers Whiplash

China has a complex relationship with video games. New government rules for minors have made it even more so.