By some estimates, only 1,000 or so researchers can claim to understand the technology. Finding more could become a national security issue.

Several start-ups hope to use the technology introduced by Bitcoin to give broader access to the data and algorithms behind artificial intelligence.

Conservative political apps deliver curated partisan messages, free from the strictures and content guidelines imposed by Silicon Valley giants.

The anonymous group’s campaign highlights Facebook’s continuing trouble with political advertising.

Saudi Arabia’s investments in tech put some companies in a tough spot after evidence emerged that Saudi agents may have killed a dissident writer.

Facebook, which owns WhatsApp, is trying to prove it can curb the spread of false news. But the app’s design makes it difficult.

Jack Dorsey of Twitter and Marc Benioff of Salesforce, among others, are sparring over a Nov. 6 ballot initiative that would impose new corporate taxes.

A push for a global agreement on autonomous weapons is stalled, much to the chagrin of advocates who believe a treaty is urgently needed.

Robin Sloan is using a homemade software program to supply phrases and images for his new book.

She was a photo editor. Now she’s an events manager. Whitney Richardson discusses how her career shift at The Times has changed her tech habits.

The tech mogul, whose Craigslist site helped replace newspaper classifieds, has given $50 million to revitalize local reporting in New York — including a new gift on Wednesday.

Bankers have told Uber that its public offering could be worth $120 billion. That puts it in rare company with the likes of Facebook and Alibaba.

The office is investigating the source of more than 22 million public comments submitted to the F.C.C. during the battle over internet regulation.

To comply with a European antitrust ruling, Google will begin charging a licensing fee of handset makers.

As India develops new rules governing the data of its residents, global firms are the first target. Companies say they need more time to comply.

Doing significantly more work in the United States, as the company is being pressured to do, would require an overhaul of its business model and corporate culture.

Hardware innovations? Nope. Instead, Google is emphasizing software improvements — particularly for images — with its newest Pixel smartphones.

With fake pages and sham accounts, the military targeted the mostly Muslim Rohingya minority group, said former military officials, researchers and civilian officials.

The goal, said L. Rafael Reif, the president of M.I.T., is to educate “the bilinguals of the future.” Blackstone’s Steven A. Schwarzman is contributing $350 million.

He created the mobile computing companies Palm and Handspring. But for decades his passion has been studying how the human brain works.

For a week now, people have been buzzing about an article that sounded as if it had come from a high-tech spy thriller. Does it point to larger problems?

On the same day the company announced it had purged domestic sources of disinformation, it said it had blocked two companies, one of them with Russian government clients.

The company said Friday that a network breach was smaller than originally thought: 30 million profiles. But the hackers stole detailed information.

Ahead of the midterm elections, false and divisive messages on social media — once the specialty of Russian-linked operatives — are now increasingly being created and spread by Americans.

Millie Tran, the first global growth editor at The Times, discusses how she tries to understand and nurture a worldwide audience. “So many dashboards and data sets!”

Lost faith in Facebook and Instagram after data leakages, breaches and too much noise? Here’s a guide to breaking up with the social network and its photo-sharing app for good.

Amazon and other tech giants have made devices connected to the internet increasingly prevalent. Now is the time to be freaking out about the dangers.

Though sales of its devices have been slow, the search giant unveiled the Pixel 3, a smart speaker with a built-in screen and a tablet that doubles as a PC.

Last week the company was praised for increasing what it paid its warehouse workers. Now the company is explaining what that means for bonuses and stock grants.