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HOW TO BUILD YOUR FIRST CHATGPT APP

ChatGPT Apps allow developers and product teams to embed apps directly into ChatGPT, enabling users to complete tasks like book hotels, search for properties, and shop online. With a platform of 800 million weekly active users, ChatGPT's app platform may be the next great distribution wave. This article walks readers through how to build ChatGPT apps. It includes real-world examples, code, and links to courses with more material.

2025.12.15
read.highgrowthengineer.com11 min readTLDR

INSIDE THE INVITATION-ONLY STOCK MARKET FOR THE WEALTHY

The ultrawealthy buy shares of the most in-demand companies via invite-only transactions long before the shares are listed on public stock exchanges. This small, privileged group can obtain shares of companies still in their early growth stages, while the rest are left with older, slower-growing names. This dynamic is exacerbating the wealth disparity in the US. It could even become an existential threat to the US economy.

2025.12.15
links.tldrnewsletter.com14 min readTLDR

APPLE LOSES ITS APPEAL OF A SCATHING CONTEMPT RULING IN IOS PAYMENTS CASE

Apple was found to be in willful violation of a 2021 injunction intended to open up iOS App Store Payments in April. That contempt of court finding has now been almost entirely upheld by the Ninth Circuit Court of Appeals. Apple may still be able to charge a 'reasonable fee' for payments made outside its App Store based on actual costs to ensure user security and privacy. The ruling means that there will likely soon be rapid adoption of outside payment processors.

2025.12.15
arstechnica.com4 min readTLDR

OPENAI RELEASES GPT-5.2 AFTER “CODE RED” GOOGLE THREAT ALERT

GPT-5.2 has been released in three variants: Instant, Thinking, and Pro. 5.2 is designed to unlock more economic value for people. It features a 400,000-token context window and a knowledge cutoff date of August 31. GPT-5.1 will remain available in ChatGPT for paid users for three months. GPT-5.2 is OpenAI's third major model release since August.

2025.12.12
arstechnica.com6 min readTLDR

GOOGLE ANNOUNCES EXPERIMENTAL ‘DISCO' BROWSER WITH ‘GENTABS' POWERED BY GEMINI 3

Google Labs' Disco browser features a Gemini 3-powered 'GenTab' that can build interactive web applications to help users complete tasks. It can look at open tabs and chat history to determine what tool best serves a prompt. Every generative element ties back to the web and will link to the original sources. The most compelling ideas from Disco may one day make their way into Chrome. A link to the waitlist to try Disco is available in the article.

2025.12.12
9to5google.com2 min readTLDR

RIVIAN ANNOUNCES NEW AI TECH, CHIP, AND ROBOTAXI AMBITIONS

Rivian has developed a custom chip, a car computer, and new artificial intelligence models to bring autonomous features to its vehicles. The company plans to roll out a subscription in early 2026 that will provide continuously expanding capabilities powered by Rivian Autonomy Processors and autonomy computers. A near-future update will include a 'Universal Hands-Free' capability that will enable Rivian customers to drive hands-free on more than 3.5 million miles of roads in North America.

2025.12.12
cnbc.com8 min readTLDR

AI HACKERS ARE COMING DANGEROUSLY CLOSE TO BEATING HUMANS

AI hacking tools are now surpassing some human hackers. Stanford's Artemis AI bot beat all except one of the 10 professional penetration testers in a test of its abilities. It found bugs at lightning speed while running at under $60 an hour. However, about 18% of the bugs it found were false positives. It also missed an obvious bug that most of the human testers spotted.

2025.12.12
links.tldrnewsletter.com8 min readTLDR

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2025.12.12
qawolf.comSponsorTLDR

COMPOUND ENGINEERING: HOW EVERY CODES WITH AGENTS

In traditional engineering, each feature makes the next feature harder to build because of new edge cases, interdependencies, and issues. In compound engineering, each feature makes the next feature easier to build because compound engineering creates a learning loop for agents and team members so that each bug, failed test, or insight gets documented and used by future agents. AI's knowledge of the codebase grows along with it, making future development work faster. This post provides a high-level sense of how to start compound engineering with AI.

2025.12.12
every.to13 min readTLDR

AN SVG IS ALL YOU NEED

SVGs are vector graphics in a simple XML format. They are supported on almost every device and platform. With embeddable scripts to make them interactive, SVGs are way more capable than many people realize. It is entirely feasible to implement an entire data analysis pipeline in an SVG. A completely self-contained SVG file can fetch data from a versioned repository, process that data, and generate visualizations without any server-side magic required.

2025.12.12
jon.recoil.org4 min readTLDR

SOCIAL-MEDIA BAN IMPOSES BRAVE NEW WORLD ON AUSTRALIAN TEENS

Several social media platforms are now required to shut down the accounts of teens under 16 in Australia under a new law intended to shelter children from the mental-health risks of life online. These companies are now required to take reasonable steps to enforce the new rules under threat of penalty. Parents and children won't be fined. Australia isn't alone in its effort - Malaysia, the EU, New Zealand, Florida, and other regions are also discussing similar restrictions.

2025.12.12
links.tldrnewsletter.com8 min readTLDR

DISNEY TO INVEST $1 BILLION IN OPENAI AND LICENSE CHARACTERS FOR USE IN CHATGPT, SORA

Disney is investing $1 billion into OpenAI. The three-year licensing deal will allow OpenAI's users to generate videos with Disney's characters and properties in them. The agreement includes provisions that limit what Disney characters can do in generated videos. The partnership is the result of nearly two years of talks between the two companies.

2025.12.12
links.tldrnewsletter.com7 min readTLDR

HARDWARE IS A FRUIT

Hardware is the nature layer, a firm base that creates room for freedom and experimentation at the higher layers.

2025.12.12
notboring.co20 min readTLDR

Sponsored

WORKS ACROSS CONTENT TYPES

Deepfakes now span image, voice, and video. They're flooding the internet and being used in sophisticated social engineering attacks. But detection tools are getting better as well.

2025.12.11
resemble.aiSponsorTLDR

BEZOS AND MUSK RACE TO BRING DATA CENTERS TO SPACE

Companies like SpaceX, Blue Origin, and Google are racing to figure out the viability of orbital data centers. Operating data centers in space will require overcoming several technical issues, including managing temperatures for hardware, protecting that hardware from radiation, and transferring data back to Earth without long lag times. Skeptics say that space-based data centers won't be competitive on cost. It may take tens of thousands of satellites to recreate the compute capacity of a gigawatt data center in space.

2025.12.11
links.tldrnewsletter.com7 min readTLDR

META'S NEW AI SUPERSTARS ARE CHAFING AGAINST THE REST OF THE COMPANY

An us-versus-them mentality has emerged between Meta's top AI team and Mark Zuckerberg's longtime lieutenants. TBD Lab's researchers have come to view many Meta executives as interested only in improving the social media business, while the lab's ambition is to create superintelligence. Employees have disagreed over which division should get more computing power. Those working on the social media ranking algorithm have argued that more of the company's computing power should be used to improve their business rather than to train AI models.

2025.12.11
links.tldrnewsletter.com9 min readTLDR

‘GREETINGS, EARTHLINGS': NVIDIA-BACKED STARCLOUD TRAINS FIRST AI MODEL IN SPACE AS ORBITAL DATA CENTER RACE HEATS UP

Nvidia-backed startup Starcloud is running an artificial intelligence model in space. The Washington-based company launched a satellite with an Nvidia H100 graphics processing unit last month. It is now running Google's Gemma large language model in orbit. Starcloud's satellite is proof that space-based data centers can exist and operate a variety of AI models.

2025.12.11
cnbc.com9 min readTLDR

NEURAL BALANCE INNOVATIONS TOOK CONTROL OF MY BODY AND CANCELED MY MOTION SICKNESS

Neural Balance Innovations has developed a device that cancels motion sickness in the body via Galvanic Vestibular Stimulation. It sends electrical signals to the vestibular system, the part of the inner ear that manages balance, so that it syncs up with what the eyes are seeing. The Stimbox needs to be calibrated for every user, but after, it can completely remove the sensation of motion sickness when using VR devices. The device has the potential to give wearers a more realistic virtual reality as it can simulate the feeling of falling. It can be purchased now for 1,200€.

2025.12.11
skarredghost.com7 min readTLDR

FORRESTER STUDY: WHY 39% OF AI DEPLOYMENTS ARE FAILING TO DELIVER ROI _(_SPONSOR)

Most AI tools live in silos - ChatGPT for brainstorming, Claude for writing, Notion for docs. According to new Forrester study [9], this fragmentation is the top factor limiting returns for 39% of organizations. The study surveyed 500+ decision makers and found that the real AI opportunity isn't individual productivity, but better

2025.12.11
miro.comTLDR

WHY WRITE ENGINEERING BLOGS?

This blog collates several responses from tech bloggers on writing for developers. The bloggers tell the story of why they started blogging and why they continue to blog. The tech bloggers include antirez, Eric Lippert, Phil Eaton, and Thorsten Ball. A link to the full interview for each blogger is available.

2025.12.11
writethatblog.substack.com19 min readTLDR

SHOULD CSS BE CONSTRAINTS?

CSS is hard, and the rules can be quite complex. It is currently hard to predict what CSS will result in. One commonly-proposed replacement for CSS is a constraint system. However, with constraint-based systems, it is possible to have more than or less than one layout that satisfies the rules. Predictability suffers again once you have complicated constraints and conflict handling rules.

2025.12.11
pavpanchekha.com17 min readTLDR

WHY AGI WILL NOT HAPPEN

The thinking around AGI and superintelligence is fundamentally flawed. A lot of the thinking is created in an echo chamber, particularly in the Bay Area, where the same ideas amplify themselves without critical awareness. This amplification of bad ideas is a big problem in shaping a beneficial future for everyone. Realistic thought should be used to shape a future that is good for everyone.

2025.12.11
timdettmers.com24 min readTLDR

SILICON VALLEY IS RACING TO MAKE CRITICAL MINERALS—AND BLUNT CHINA'S DOMINANCE

There is a nationwide push by startups to develop sources of raw materials that the US desperately needs. Record levels of private investment and advances in artificial intelligence are resulting in new solutions to deal with China's crackdown on critical mineral exports. Any success will soften China's edge in the industry. China currently dominates the high-risk and low-margin mining and processing of many of the minerals the US depends on to build everything from smartphones to cars, jets, and satellites.

2025.12.11
links.tldrnewsletter.com11 min readTLDR

Sponsored

CRAVING MORE AI IN YOUR INBOX?

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2025.12.11
tldr.techSponsorTLDR