TLDR 2026-01-22

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Apple is reportedly working on a small, wearable AI pin equipped with multiple cameras, a speaker, and microphones. It will likely run the new Siri chatbot the company plans to unveil in iOS 27. Apple wants the final version of the pin to be about the same size as an AirTag but slightly thicker. The AI pin could be released as soon as 2027, but development is still in the early stages, and the product could be canceled.

Apple plans to revamp Siri later this year by turning it into an AI chatbot. The chatbot will be embedded deeply into the company's operating systems and replace the current Siri interface. The feature is a central piece of Apple's AI strategy. Apple has designed the chatbot so that its underlying models can be swapped out over time. The company will initially use Google-powered systems.

Blue Origin plans to deploy 5,408 satellites into space to launch a communications network to take on SpaceX. Its TeraWave network will be targeted at enterprise, data center, and government users. It will provide data speeds of up to 6 terabits per second. Blue Origin expects to start deploying its constellation in the fourth quarter of next year.

Last February, a team of doctors and scientists treated a baby with severe CPS1 deficiency, a condition caused by a rare single-gene mutation that causes patients' blood to be flooded with ammonia that the liver can't clear. The doctors sequenced the baby's DNA, designed a custom gene editor to fix the typo in his CPS1 gene, manufactured it on demand, and infused it into his bloodstream. The process took about six months and cost less than $1 million. Today, the baby is thriving and seemingly cured.

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Evaluating technical candidates is becoming harder as AI capabilities improve. Each new model forces companies to redesign tests. This post describes one company's original take-home design, how each Claude model defeated it, and the increasingly unusual approaches the company has had to take to ensure its tests stay ahead of top models' capabilities. As work evolves alongside models, companies need to develop increasingly creative ways to find strong engineers.

pandas 3.0.0 includes some new features, bug fixes, and performance improvements, as well as possible breaking changes. It removes a functionality that was deprecated in previous releases. Users are recommended to first upgrade to pandas 2.3 and to ensure their code is working without warnings before upgrading to pandas 3.0. A link to a list of all the changes in the release is available.

X is struggling with two incompatible goals: optimizing attention and time spent on the platform, and tight creator-follow linkage. So far, X has opted to chase KPIs like user time spent on the platform. This has resulted in creators unable to consistently reach their audience, consumers not hearing from creators they want to follow, and filter bubbles like Crypto Twitter. Either creators and users are tightly linked, or the platform algorithmically serves users an array of compelling content - you can't have both.

The rush to build AI data centers prompted Elon Musk to propose putting them in space. Musk has become obsessed with the idea of SpaceX being the first to do it, but such a feat would be hard to attempt and would require the billions of dollars in capital an initial public offering could deliver. A SpaceX IPO could also help xAI catch up to rivals. SpaceX is expected to collect banks to lead the stock offering soon, with the IPO expected to be completed by July.

Cybercab production is scheduled to start in less than 100 days.

YouTube Music is getting more discovery features, and YouTube TV is getting 20 genre-specific plans as well as a fully customizable multiview.

Meta is reportedly working on a large language model and an AI image and video model.

AI is a significant productivity tool comparable to previous technological shifts, but it's boring.

Anthropic trains Claude using a specific set of ethical principles (detailed in its 'Constitution') rather than human feedback.

As the first engineer on TLDR's new Applied AI team, you'll build AI agents and composable Claude Skills to let non-technical teammates create their own AI workflows. Learn more.

The company now has fewer than 15 people left in engineering.