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Duolingo stock skyrockets 30% on boosted guidance as AI powers user growth

Duolingo shares skyrocketed more than 30% after the language learning platform boosted its guidance due to strong user growth driven by artificial intelligence. The mobile learning platform hiked its full-year guidance to between $1.01 billion and $1.02 billion, up from a prior range of $987 million to $996 million. Duolingo also lifted its bookings guidance to between $1.15 billion and $1.16 billion. "We exceeded our own high expectations for bookings and revenue this quarter, and did it whil

Uber received 400,000 reports of sexual misconduct from 2017 to 2022

Between 2017 and 2022, 400,181 Uber trips resulted in reports of sexual assault or sexual misconduct in the US, or around one every eight minutes, according to sealed documents seen by The New York Times. The company had only disclosed 12,522 accounts of serious sexual assaults during the same time period. The report is based on interviews with current a former employees, internal documents and court records under seal as part of "large-scale sexual assault litigation against Uber." "There is n

My favorite projector from Samsung doubles as a gaming hub, and it's on sale

Allison Murray/ZDNET The Samsung Freestyle 2 projector is on sale for $200 off when you purchase it at Best Buy, making the new price $600 for a limited time. ZDNET's key takeaways The Samsung Freestyle 2 is a solid projector available for $800. Sharp image quality, an internal battery, and the ability to play games without a console make this projector ultraportable. The second-generation feature upgrades are geared toward gaming, which may not be relevant for all users. There's a sayin

An LLM does not need to understand MCP

Model Context Protocol (MCP) has become the standard for tool calling when building agents, but contrary to popular belief, your LLM does not need to understand MCP. You might have heard about the term "context engineering"; where you, as the person interacting with an LLM, are responsible for providing the right context to help it answer your questions. To gather this context, you can use tool calling to give the LLM access to a set of tools it can use to fetch information or take actions. MCP

Outdated Software, Nationwide Chaos: United Grounds Flights After Meltdown

United Airlines passengers across the country found themselves stranded, confused, and angry on Wednesday as a massive technology failure triggered a nationwide grounding of flights. The culprit: Unimatic, a decades-old internal system so vital to United’s operations that when it failed, the airline had no choice but to bring the entire operation to a standstill. From major hubs in Chicago, Newark, Denver, Houston, to San Francisco, the outage rippled through the airline’s scheduling, flight

There’s Even More Rumors About the Villains of ‘Spider-Man: Brand New Day’

It’s going to be a while before we see Blade Runner 2099. Dune Part III will be partially shot on film. Exit 8 is coming stateside. Plus, get a creepy new look at Ben Wheatley’s new movie. Spoilers now! Spider-Man: Brand New Day As reported by Cosmic Marvel and Comic Book, costume prop modeler Monica Avitto has created a public mood board on Pinterest full of samurai armor for one of the villains appearing in Spider-Man: Brand New Day, leading to fevered speculation that a Japanese character l

This Robo Vac’s Navigation Capacity Is Unmatched and Prime Members Can Now Snag It at a $500 Discount

Deal alert: The Dreame X50 robot vacuum is available for $1,200. That's a Prime-only $500 discount on a robot vacuum that usually lists for $1,700. Non-Prime members can get it at its retail price. If you're looking for top-tier performance, this robot vac is better at climbing obstacles than any robot vacuum we've tested. CNET's key takeaways No robot vacuum has truly solved the challenge of multi-level cleaning without requiring you to physically move it between floors. This robo-vac can do

iPhone Gaming Is Convoluted. Here's What the iPhone 17 Needs to Sway Me as a Gamer

I've been trying to use my iPhone as a gaming handheld for years but I often hit the same roadblocks when trying to have it replace my Nintendo Switch when I travel. And it's not for lack of Apple and other companies trying, as there's tons of gaming content available for the iPhone between titles that run directly from the device to more-intensive games that I can stream over a strong internet connection. Gaming on the iPhone is more convoluted than it should be and it's frankly easier to do o

The Download: how AI is improving itself, and hidden greenhouse gases

Last week, Mark Zuckerberg declared that Meta aims to achieve smarter-than-human AI. He seems to have a recipe for achieving that goal, and the first ingredient is human talent: Zuckerberg has reportedly tried to lure top researchers to Meta Superintelligence Labs with nine-figure offers. The second ingredient is AI itself. Zuckerberg recently said on an earnings call that Meta will focus on building self-improving AI—systems that can bootstrap themselves to higher and higher levels of performa

Apple is reportedly working with Samsung to build iPhone image sensors in Texas

Apple has announced that it's working with Samsung at its Texas plant to "launch an innovative new technology for making chips." Those chips are reportedly cutting-edge image sensors for iPhones, according to The Financial Times. That in turn means that Sony may no longer be Apple's only supplier of smartphone camera sensors for its upcoming phones. The chips in question are reportedly three-layer stacked image sensors that will allow for fast smartphone camera shooting speeds and high-frame-ra

Anker's 10K Qi2 magnetic power bank drops to $60

A power bank with a wireless charging option is a very handy device for anyone who's typically on the go. It's probably worth having a fully charged one on hand in case of a power outage too. Anker makes some of our favorite power banks, and one with a Qi2 charging function and 10,000mAh capacity is currently on sale. You can snap it up for $60. That's a 25 percent discount on the list price of $80. It is also the lowest price for this model so far in 2025. The power bank is currently available

Google's Jules AI coding tool exits beta with serious upgrades - and more free tasks

Natalya_Yudina/Getty Images ZDNET's key takeaways Google's Jules coding agent is out of beta, with clear pricing tiers. Even the free tier has newer, more generous usage limits. Updates include improved AI and better setup management. Google's coding AI Jules is out of beta. Announced in a blog post on Wednesday, the coding helper will be powered by Google's Gemini 2.5 Pro LLM. You might recall that Google also recently announced its Gemini CLI GitHub Actions coding tool. What do all these

3 charging mistakes slowly killing your tablet - and what to do instead

Maria Diaz/ZDNET ZDNET's key takeaways Unplug at 100%, keep battery between 20% and 80%. Avoid draining to 0%; store unused tablets at 50%. Use certified chargers to prevent stress and overheating. As someone who uses a tablet daily, I'm constantly looking for ways to make its battery last longer. However, some habits you don't think twice about could actually be hurting your battery over time. There are ways to extend your tablet's battery life, and there are some things you should avoid t

Ceretone Core One Pro Hearing Aids Review: A Blunt Instrument

Ceretone, born on Indiegogo, hit the scene last year with impressively tiny hardware that still remains one of the smallest and lightest hearing aids I’ve ever reviewed. At just 0.96 grams each, the Ceretone Core One were so light they threatened to blow away in the wind. With a price of $349 per pair, they had a similarly minimal effect on your bank account. The trouble with the original Ceretone Core One is that they just weren’t very good as hearing aids. They were not tunable, suffered from

Best Tested Walking Pads (2025): Urevo, WalkingPad, Sperax

Sitting at your desk all day is literally a pain. It’s bad for your mental and physical health and slowly turns you into a hunched-over keyboard gargoyle. You could take walking breaks away from your screen, but even then you’re still spending a lot of the day on your butt. Enter: the walking pad. These tiny treadmills fit under standing desks and allow you to rack up steps while you work. It might sound far-fetched, but yes, you can exercise and be productive on your computer at the same time.

Library of Congress explains how parts of US Constitution vanished from its website

The Library of Congress has given a fuller explanation as to why large sections of the U.S. Constitution suddenly vanished from its official website. As TechCrunch previously reported, parts of Section 8, as well as the entirety of Section 9 and Section 10, were deleted from Article 1 of the Constitution on the U.S. government’s official website over the past month. The changes to the sections, which pertained to the Congressional powers, the rights of individual states, and the rights to due p

The greenhouse gases we’re not accounting for

Researchers around the world set to work unraveling the mystery, reviewing readings from satellites, aircraft, and greenhouse-gas monitoring stations. They eventually spotted a clear pattern: Methane emissions had increased sharply across the tropics, where wetlands were growing wetter and warmer. That created the ideal conditions for microbes that thrive in anaerobic muck, which gobbled up more of the carbon-rich organic matter and spat out more methane as a by-product. (Reduced pollution from

DJI goes from drones to dust with launch of new robot vacuum

DJI TL;DR Drone-maker DJI has entered into a new category with the launch of its robot vacuum lineup. The DJI Romo uses two panoramic cameras along with three lasers to scan for objects while it is cleaning. There are three models, including a transparent Romo P, which looks like something Nothing would design. DJI is a popular name when it comes to drones, video stabilization rigs, and action cameras. But the company recently entered into an entirely new category outside its forte of imagin

Activity? Journeys? Library? Google just can’t stop renaming this history view (APK teardown)

Edgar Cervantes / Android Authority TL;DR The Google Android app offers a tab that displays your search history and saved items. Previously called Saved, Google changed it into Activity earlier this year. Now we’re also seeing Journeys and Library labels in testing, with even more names in the running. What’s in a name, anyway? Maybe a lot, actually, and if you’re trying to design a user interface that’s as intuitive as possible, the choice of labels you apply can end up mattering quite a bi

Here’s when to look for One UI 8 beta on your Galaxy S24 and S23

Ryan Haines / Android Authority TL;DR A noted tipster has suggested One UI 8 beta rollout dates for the Galaxy S24 and Galaxy S23 series. The Galaxy S24 is reported to receive its One UI 8 beta update on August 13. Samsung has already confirmed that the beta updates will be live in the US, the UK, South Korea, and India. After a stretched-out transition from One UI 6 to One UI 7, Samsung jumped too quickly to the next version upgrade. and released One UI 8 last month alongside its latest fol

YouTube will soon let Android users switch off that annoying Auto Zoom feature (APK teardown)

Edgar Cervantes / Android Authority TL;DR A few weeks back, YouTube’s Android app introduced a new Auto Zoom feature that automatically zooms in on videos in landscape mode, with no way of turning it off in settings. Auto Zoom is separate from the “Zoom to fill screen” option and activates inconsistently, causing frustration amongst YouTube users. Thankfully, YouTube is preparing to add a new toggle in the app’s settings to turn off Auto Zoom. A few weeks ago, users began noticing a new Auto

Galaxy phones will soon gain voice phishing detection with One UI 8

Samsung already offers a Smart Call feature to fight spam calls, but voice phishing attacks have emerged as a new threat. This sees criminals use AI to copy someone else’s voice in a bid to swindle their loved ones. Now, Samsung has announced a feature to address this tactic. Samsung announced on its Korean-language Community forum that it will offer a ‘Voice Phishing Suspected Call Alert’ feature in stable One UI 8: When calling an unknown number, we detect and notify you in real time using A

Senior AI researchers desert Apple amid ‘a crisis of confidence’

There have been a number of reports of senior AI researchers leaving Apple, and the latest of these indicates the problem may be bigger than previously known. One AI recruitment company has suggested there is a crisis of confidence within Apple, with tech rivals now considering it open season on poaching the company’s engineers … We learned a month ago that Apple’s top AI exec, Ruoming Pang, had left the company to join Meta. Pang joined Apple from Google in 2021, and had been managing the ro

Massive IPTV piracy service with 28,000 channels taken offline

The Alliance for Creativity and Entertainment (ACE) announced the shutdown of Rare Breed TV, a major illegal IPTV service provider, after reaching a financial settlement with its operators. North Carolina-based Rare Breed TV was one of the world's largest digital piracy operations, claiming to offer subscribers access to over 28,000 channels and more than 100,000 movies and series. "As part of the agreement, the operators will permanently shut down their illegal service and pay a significant f

How to disable ACR on your TV - and why it makes such a big difference doing so

Kerry Wan/ZDNET Did you know that whenever you turn on your smart TV, you invite an unseen guest to watch it with you? These days, most popular TV models utilize automatic content recognition (ACR), a form of ad surveillance technology that gathers information about everything you watch and transmits it to a centralized database. Manufacturers then use your data to identify your viewing preferences, enabling them to deliver highly targeted ads. Also: Your TV's USB port is seriously underutili

Children's movie leads art historian to long-lost Hungarian masterpiece (2014)

A long-lost avant garde painting has returned to Hungary after nine decades thanks to a sharp-eyed art historian, who spotted it being used as a prop in the Hollywood film Stuart Little. Gergely Barki, 43, a researcher at Hungary’s national gallery in Budapest, noticed Sleeping Lady with Black Vase by Róbert Berény as he watched television with his daughter Lola in 2009. “I couldn’t believe my eyes when I saw Bereny’s long-lost masterpiece on the wall behind Hugh Laurie. I nearly dropped Lola

Splatshop: Efficiently Editing Large Gaussian Splat Models

Splatshop: Efficiently Editing Large Gaussian Splat Models Markus Schütz, Christoph Peters, Florian Hahlbohm, Elmar Eisemann, Marcus Magnor, Michael Wimmer. 2025–06 in Computer Graphics Forum (Proc. HPG) 44, 8. Official version Abstract We present Splatshop, a highly optimized toolbox for interactive editing (selection, deletion, painting, transformation, ...) of 3D Gaussian Splatting models. Utilizing a comprehensive collection of heuristic approaches, we carefully balance between exact an

Apple to Pump $100 Billion More Toward Manufacturing in US

Apple said Wednesday it plans to invest another $100 billion during the next four years to increase manufacturing in the US. The company's wide-ranging announcement -- which was leaked early by the White House -- said it will now spend $600 billion to hire more US workers and expand some of its manufacturing across 10 states. Apple CEO Tim Cook joined President Donald Trump at the White House on Wednesday to unveil its American Manufacturing Program. The program includes plans to develop 100%

Grinding Your Teeth While Sleeping? Here's How to Stop Naturally

If you're dealing with jaw, tooth, ear or head pain, especially in the morning, you may have sleep bruxism, which means you're grinding or clenching your teeth when you sleep. If you have a mild case, you can try to treat it and soothe your symptoms at home. If you have a more severe case or it doesn't improve, make sure you see your dentist or doctor for treatment. Why do I grind my teeth when I sleep? Before we explain how to stop grinding your teeth, let's take a step back and look at what

Want a Little More Sleep? Try This iOS 26 Alarm Trick

Apple released the first public beta of iOS 26 on July 24, which brought a new Liquid Glass design, call screening, and other features to developers' and beta testers' iPhones. It also updated the alarm feature in the clock app so you can change your snooze length, affording you a few more z's before you get up and tackle the day. Prior to this change, if you hit your iPhone alarm's snooze feature, you would always get an extra 9 minutes of shut-eye. With the iOS 26 beta, you can customize your