The Trump administration has excluded smartphones and other consumer electronics from its steep “reciprocal” tariffs in a significant boost for Big Tech as the White House battles to calm global markets after launching a multifront trade war.

According to a notice posted late on Friday night by Customs and Border Patrol, smartphones, along with routers, chipmaking equipment, wireless earphones and certain computers and laptops, would be exempt from reciprocal tariffs, which include the 125 percent levies Donald Trump has imposed on Chinese imports.

The carve-out is a big win for companies such as Apple, Nvidia and Microsoft, and follows a week of intense turbulence in US markets after Trump unleashed a trade war on “liberation day” on April 2. The announcement rattled global investors and triggered a stock market rout.

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There are few areas where AI has seen more robust deployment than the field of software development. From "vibe" coding to GitHub Copilot to startups building quick-and-dirty applications with support from LLMs, AI is already deeply integrated.

However, those claiming we're mere months away from AI agents replacing most programmers should adjust their expectations because models aren't good enough at the debugging part, and debugging occupies most of a developer's time. That's the suggestion of Microsoft Research, which built a new tool called debug-gym to test and improve how AI models can debug software.

Debug-gym (available on GitHub and detailed in a blog post ) is an environment that allows AI models to try and debug any existing code repository with access to debugging tools that aren't historically part of the process for these models. Microsoft found that without this approach, models are quite notably bad at debugging tasks. With the approach, they're better but still a far cry from what an experienced human developer can do.

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Debate around how much taxes US-based streaming services should pay internationally, among other factors, could result in people paying more for subscriptions to services like Netflix and Disney+.

On April 10, the United Kingdom's Culture, Media and Sport (CMS) Committee reignited calls for a streaming tax on subscription revenue acquired through UK residents. The recommendation came alongside the committee's 120-page report [ PDF ] that makes numerous recommendations for how to support and grow Britain’s film and high-end television (HETV) industry.

For the US, the recommendation garnering the most attention is one calling for a 5 percent levy on UK subscriber revenue from streaming video on demand services, such as Netflix. That’s because if streaming services face higher taxes in the UK, costs could be passed onto consumers, resulting in more streaming price hikes . The CMS committee wants money from the levy to support HETV production in the UK and wrote in its report:

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European tourists who toted home bottles of water from a holy well in Ethiopia were likely hoping for blessings and spiritual cleansing—but instead carried an infectious curse and got an intestinal power cleanse.

Three people in Germany and four in the UK fell ill with cholera after directly drinking or splashing their faces with the holy water. Two required intensive care. Luckily, they all eventually recovered, according to a report in the journal Eurosurveillance .

The infections occurred in February after some of the patients reported taking independent trips to Ethiopia in January. Two of the German patients and three of the UK patients reported travel to the country, and several reported visiting a holy well called Bermel Giorgis (also spelled ‘Georgis’) in the Quara district. The German travelers and at least one of the UK travelers brought water home with them and shared it.

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Security and privacy advocates are girding themselves for another uphill battle against Recall, the AI tool rolling out in Windows 11 that will screenshot, index, and store everything a user does every three seconds.

When Recall was first introduced in May 2024, security practitioners roundly castigated it for creating a gold mine for malicious insiders, criminals, or nation-state spies if they managed to gain even brief administrative access to a Windows device. Privacy advocates warned that Recall was ripe for abuse in intimate partner violence settings. They also noted that there was nothing stopping Recall from preserving sensitive disappearing content sent through privacy-protecting messengers such as Signal.

Enshittification at a new scale

Following months of backlash, Microsoft later suspended Recall. On Thursday, the company said it was reintroducing Recall. It currently is available only to insiders with access to the Windows 11 Build 26100.3902 preview version. Over time, the feature will be rolled out more broadly. Microsoft officials wrote:

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The Internet might look a bit different on Android soon. Last month, Google announced its intent to make Chrome for Android a more immersive experience by hiding the navigation bar background. The promised edge-to-edge update is now rolling out to devices on Chrome version 135, giving you a touch more screen real estate. However, some websites may also be a bit harder to use.

Moving from button to gesture navigation reduced the amount of screen real estate devoted to the system UI, which leaves more room for apps. Google's move to a "dynamic bottom bar" in Chrome creates even more space for web content. When this feature shows up, the pages you visit will be able to draw all the way to the bottom of the screen instead of stopping at the navigation area, which Google calls the "chin."

Credit: Google

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Radio signal broadcasts have their usefulness, but they eventually end (except, perhaps, for SETI ). Every so often, we mark the public end of a once-essential wavelength, such as 3G cellular , analog television , or the Canadian time check . One of the most weirdly useful signals will soon end in the United Kingdom, with notable consequences if its transition is not properly handled.

Beginning in the early 1980s, UK homes could have electrical meters installed with a radio teleswitch attached. These switches listened for a 198 kHz signal from the BBC's Radio 4 Long Wave service, primarily broadcast from the powerful Droitwich Transmitting Station. These switches listened to 30 messages per minute, waiting for a certain 50-bit data packet to arrive that signaled that electricity was now at cheaper, off-peak rates ("tariffs" in the UK).

With this over-the-air notice, homes that bought into Economy 7 or Economy 10 (7 or 10 hours of reduced-price power) could make use of ceramic-stuffed storage heaters that stayed warm into the day, prepare hot water heaters, and otherwise make use of off-peak power. How the electrical companies, BBC, and meters worked together is fascinating in its own right and documented in a recent video by Ringway Manchester (which we first saw at Hackaday ).

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Despite a recent pause on some tariffs, Apple remains in a particularly thorny spot as Donald Trump's trade war spikes costs in the tech company's iPhone manufacturing hub, China.

Analysts predict that Apple has no clear short-term options to shake up its supply chain to avoid tariffs entirely, and even if Trump grants Apple an exemption, iPhone prices may increase not just in the US but globally.

The US Trade Representative, which has previously granted Apple an exemption on a particular product, did not respond to Ars' request to comment on whether any requests for exemptions have been submitted in 2025.

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Kevin Peterson is a "nose" for his own perfume company, Sfumato Fragrances , by day. By night, Sfumato's retail store in Detroit transforms into Peterson's craft cocktail bar, Castalia , where he is chief mixologist and designs drinks that pair with carefully selected aromas. He's also the author of Cocktail Theory: A Sensory Approach to Transcendent Drinks , which grew out of his many (many!) mixology experiments and popular YouTube series, Objective Proof: The Science of Cocktails .

It's fair to say that Peterson has had an unusual career trajectory. He worked as a line cook and an auto mechanic, and he worked on the production line of a butter factory, among other gigs, before attending culinary school in hopes of becoming a chef. However, he soon realized it wasn't really what he wanted out of life and went to college, earning an undergraduate degree in physics from Carleton College and a PhD in mechanical engineering from the University of Michigan.

After 10 years as an engineer, he switched focus again and became more serious about his side hobby, perfumery. "Not being in kitchens anymore, I thought—this is a way to keep that little flavor part of my brain engaged," Peterson told Ars. "I was doing problem sets all day. It was my escape to the sensory realm. 'OK, my brain is melting—I need a completely different thing to do. Let me go smell smells, escape to my little scent desk.'" He and his wife, Jane Larson, founded Sfumato, which led to opening Castalia, and Peterson finally found his true calling.

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