Sexually explicit content has become so prevalent online that teenagers are deluged, according to a new report by a nonprofit child advocacy group.

Three-Quarters of Teenagers Have Seen Online Pornography by Age 17

At a new website called Character.AI, you can chat with a reasonable facsimile of almost anyone, live or dead, real or (especially) imagined.

A.I. Is Becoming More Conversant. But Will It Get More Honest?

Researchers are studying how the internet was used to stoke anger and to organize far-right groups ahead of the Brazilian riots.

The pro-Bolsonaro riot and Jan. 6 attack followed a similar digital playbook, experts say.

Inspired by digital art generators like DALL-E, biologists are building artificial intelligences that can fight cancer, flu and Covid.

A.I. Turns Its Artistry to Creating New Human Proteins

The tech giant had already remade the virtual world. For a brief period, it also tried to make it easier for people in the Bay Area to get to work. Then it gave up.

Facebook’s Bridge to Nowhere

Young people are opting for point-and-shoots and blurry photos.

The Hottest Gen Z Gadget Is a 20-Year-Old Digital Camera

An investment frenzy over “generative artificial intelligence” has gripped Silicon Valley, as tools that generate text, images and sounds in response to short prompts seize the imagination.

A New Area of A.I. Booms, Even Amid the Tech Gloom

With questions swirling about the utility of voice assistants, we asked readers how they use one of the most popular, Amazon’s Alexa. Here’s what they answered.

‘Alexa, Why Do We Keep Buying You?’

The Times wants to know how you plan to use technology differently this year.

What Are Your Tech Resolutions for 2023?

The pursuit of artificial awareness may be humankind’s next moonshot. But it comes with a host of difficult questions.

‘Consciousness’ in Robots Was Once Taboo. Now It’s the Last Word.

The airline has not said how soon it will upgrade the systems that contributed to mass flight cancellations, or how much that will cost.

Southwest’s Meltdown Could Cost It Up to $825 Million

TikTok’s Spying Scandal and ChatGPT’s Challenge to Google

The network could help increase the low number of charging stations, encouraging more people to buy electric vehicles.

Mercedes-Benz Plans to Build U.S. Electric Car Charging Network

Letitia James accused the founder of Celsius Network, Alex Mashinsky, of a scheme to defraud hundreds of thousands of investors.

New York Attorney General Sues Founder of Collapsed Crypto Bank

The company’s production was limited by a global chip shortage, but it made big gains in the fastest-growing segment of the auto market.

Ford Sales Dipped in 2022, but Electric Vehicle Deliveries Surged

Worry about the carmaker’s sales in the world’s largest car market is one reason the shares have plunged.

Tesla Sales in China Slump as Competition Intensifies

The hacking of the password manager should make us reassess whether to trust companies to store our sensitive data in the cloud.

A Breach at LastPass Has Password Lessons for Us All

The decision is one of the most consequential issued under the E.U.’s landmark data-protection law and creates a new business headwind for the social media giant.

Meta’s Ad Practices Ruled Illegal Under E.U. Law

A global semiconductor shortage is easing, which could allow carmakers to lift production this year. But higher interest rates could keep sales low.

Supply Problems Hurt Auto Sales in 2022. Now Demand Is Weakening.

The software company plans to cut around 8,000 jobs as business slows for tech companies. “We hired too many people leading into this economic downturn,” Salesforce’s chief executive said.

Salesforce to Lay Off 10% of Staff and Cut Office Space

Elon Musk’s social media service said it would begin to permit cause-based advertising to “facilitate public conversation around important topics.”

Twitter to Relax Ban on Political Ads

The outcome, involving about 300 employees, is one of organized labor’s biggest victories at a major U.S. tech company.

Video Game Workers Get a Union Foothold at Microsoft

The founder of the collapsed cryptocurrency exchange FTX, who was released on a $250 million bond, returned to New York to appear in court on Tuesday.

Sam Bankman-Fried Pleads Not Guilty to Fraud and Other Charges

Teens who frequently checked social media showed an increasing sensitivity to peer feedback, although the cause of the changes was not clear.

Social Media Use Is Linked to Brain Changes in Teens, Research Finds

Wall Street has grown decidedly pessimistic about Tesla, fearful that Elon Musk, its chief executive, is too focused on Twitter.

Tesla Car Sales Grow Slower Than Expected, Amplifying Concerns

Amid a tech cold war with China, U.S. companies have pledged nearly $200 billion for chip manufacturing projects since early 2020. But the investments are not a silver bullet.

U.S. Pours Money Into Chips, but Even Soaring Spending Has Limits

Continental Drift is one of Henry Segerman’s latest efforts to make mathematics “real.”

A New Puzzle Turns Earth Into a Rubik’s Cube, but More Complex

Google, Apple and Meta offer near-limitless digital basements in which to store photos, videos and important documents, but you should keep a copy of what you hold most dear.

Your Memories. Their Cloud.

People who upload images of children that Google flags as potentially illegal will be able to provide more context to appeal bans.

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