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What’s Driving the Turnover at Musk’s AI Startup?

Elon Musk’s xAI has lost a large number of top executives in recent months—so many that onlookers have begun to wonder what’s causing the high turnover rate. Now, new reporting from the Wall Street Journal suggests some of those executives may have left due to internal conflict over the management style at the company and disagreements over its financial projections. The list of executives who have recently departed Musk’s firm includes Mike Liberatore, the company’s former chief financial offi

Show HN: I built a minimal Forth-like stack interpreter library in C

This weekend I created stacklib.h - a single-header library that brings Forth-style stack operations to C. It implements a basic interpreter with: - Stack operations (push/pop/dup/swap/over/drop) - Arithmetic (+, -, *, /) - Output (., emit, cr) - Stack inspection (.s, depth) Example usage: Stack s; stack_init(&s); dict_init(); exec(&s, "10 20 + ."); // Prints "30" exec(&s, "1 2 3 4 .s"); // Shows stack contents The library is self-contained, requires no dependencies, and handles basic error c

LinkedIn is cracking down on fake recruiters and executive impersonators - here's how

LinkedIn / Elyse Betters Picaro / ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways LinkedIn might verify your next job update to the site. LinkedIn will verify companies, recruiters, and executives. The news comes amid rampant job and recruitment scams. The job market is tough enough already -- but recruitment-related scams make it tougher. On Thursday, LinkedIn outlined several ways it's making its platform more trustworthy to mitigate scams and executive

LinkedIn will require recruiters and executives to verify their identity to cut down on scams

LinkedIn will now require some users to verify their identity before they change job titles in an attempt to cut down on scams on the platform. The new identity verification rules will specifically apply to executives and recruiters who interact with job seekers or represent a company in one form or another. As part of these changes, LinkedIn says users who add or update their title to anything recruiter-related (recruiter, talent acquisition, etc.) will have to verify their workplace on their

LinkedIn's new tools just made it tougher to pad your resume

picture alliance / picture alliance via Getty Images Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways LinkedIn might verify your next job update to the site. LinkedIn will verify companies, recruiters, and executives. The news comes amid rampant job and recruitment scams. The job market is tough enough already -- but recruitment-related scams make it tougher. On Thursday, LinkedIn outlined several ways it's making its platform more trustworthy to mitigate scams a

xAI’s CFO is the latest executive to leave Elon Musk’s AI firm

In Brief Mike Liberatore, xAI’s chief financial officer, has left the company, according to reporting from The Wall Street Journal. This marks the latest in a string of high-profile executive departures. The former Airbnb executive joined the company in April and left around the end of July, per WSJ. While at xAI, he helped orchestrate the company’s $5 billion debt raise, alongside another $5 billion in equity — almost half of which came from SpaceX. He also oversaw some of the Elon Musk-owne

Amazon Finally Confirms Sophie Turner as Lara Croft in ‘Tomb Raider’ Series

In a not-so-surprising announcement, Amazon MGM Studios has named the star of its long-gestating Tomb Raider series: Sophie Turner. The lack of shock is because Turner was known to be “nearly set” to sign on as Lara Croft, according to reports from November of last year. Those same reports noted that Turner had been chosen over the other contender, Bohemian Rhapsody‘s Lucy Boynton, but that the deal wasn’t yet official. Now, Variety confirms that not only is Turner set for the part, but also th

OpenAI starts building out its app team

is The Verge’s senior AI reporter. An AI beat reporter for more than five years, her work has also appeared in CNBC, MIT Technology Review, Wired UK, and other outlets. Posts from this author will be added to your daily email digest and your homepage feed. OpenAI has started to build out its Applications team under Fidji Simo, its new CEO of Applications, who left her former position as Instacart’s CEO to start in the executive role on August 18th. On Tuesday, the company confirmed it’s shuffl

Trump Ends Union Protections for NASA Employees, Citing ‘National Security’

Just before Labor Day weekend, the White House issued an executive order that excludes NASA and other agencies from collective bargaining rights. NASA employees have previously expressed public dismay against the administration’s budget cuts to the agency and its policy against diversity programs, and the latest order is another major blow to the staff. President Donald Trump signed the new order on August 28, ending collective bargaining at a number of federal agencies with national security m

OpenAI shuffles executive roles, acquires Statsig for $1.1 billion

is The Verge’s senior AI reporter. An AI beat reporter for more than five years, her work has also appeared in CNBC, MIT Technology Review, Wired UK, and other outlets. Posts from this author will be added to your daily email digest and your homepage feed. OpenAI has started to build out its Applications team under Fidji Simo, its new CEO of Applications, who left her former position as Instacart’s CEO to start in the executive role on August 18th. On Tuesday, the company confirmed it’s shuffl

Compositional Datalog on SQL: Relational Algebra of the Environment

I spent some time before making Datalogs that translated into SQL. https://www.philipzucker.com/tiny-sqlite-datalog/ There are advantages. SQL engines are very well engineered and commonly available. SQLite and DuckDB are a pretty great one-two punch. A new twist on how to do this occurred to me that seems very clean compared to my previous methods. Basically, the relational algebra style of SQL actually meshes with manipulating the Datalog body environments (sets of named variables bindings)

Condor's Cuzco RISC-V Core at Hot Chips 2025

Condor Computing, a subsidiary of Andes Technology that creates licensable RISC-V cores, has a business model with parallels to Arm (the company) and SiFive. Andes formed Condor in 2023, so Condor is a relatively young player on the RISC-V scene. However, Andes does have RISC-V design experience prior to Condor’s formation with a few RISC-V cores under their belt from years past. Condor is presenting their Cuzco core at Hot Chips 2025. This core is a heavyweight within the RISC-V scene, with wi

CISA warns of actively exploited Git code execution flaw

The U.S. Cybersecurity & Infrastructure Security Agency (CISA) is warning of hackers exploiting an arbitrary code execution flaw in the Git distributed version control system. The agency has added the vulnerability to its Known Exploited Vulnerabilities (KEV) catalog and has set the patch deadline for federal agencies to September 15th. Git version control system allows software development teams to track codebase changes over time. The library is the backbone of modern software collaboration,

450× Faster Joins with Index Condition Pushdown

Introduction Readyset is designed to serve queries from cached views with sub-millisecond latency. This post focuses on the cold path—cases where a cache miss forces execution against the base tables. In these scenarios, Readyset must evaluate the query from scratch, including materializing intermediate results. The focus here is on straddled joins, where filtering predicates apply to both sides of the join in addition to the ON clause. Example: SELECT u.id, u.name, o.order_id, o.total FROM u

Topics: 00 execution join ms rows

Adobe issues emergency fixes for AEM Forms zero-days after PoCs released

Adobe released emergency updates for two zero-day flaws in Adobe Experience Manager (AEM) Forms on JEE after a PoC exploit chain was disclosed that can be used for unauthenticated, remote code execution on vulnerable instances. The flaws are tracked as CVE-2025-54253 and CVE-2025-54254: CVE-2025-54253: Misconfiguration allowing arbitrary code execution. Rated "Critical" with a CVSS score of 8.6. Misconfiguration allowing arbitrary code execution. Rated "Critical" with a CVSS score of 8.6. CVE

Death Row Inmate’s Attorneys Say Heart Implant Will Repeatedly Shock Him as He’s Executed

Attorneys for a death row inmate in Tennessee who’s scheduled to be executed Aug. 5 warn that his implanted heart device will repeatedly shock him during his execution, torturing him by trying to keep him alive as he’s killed by lethal injection. A judge ordered the device deactivated, but a local hospital in Nashville now says it won’t participate, according to a report from the Associated Press. Byron Black, 69, received an implantable cardioverter-defibrillator (ICD) in May 2024, which works

Show HN: ELF Injector

ELF Injector Injects a relocatable code chunk of arbitrary size into an ELF executable that will run before the original entry point of the executable. Building NOTE: The code can only build and run on a 32-bit ARM processor as it contains a mix of C and assembly. Build elf_injector : ~/elf_injector $ make all gcc -Werror -std=gnu99 -fno-builtin -Wall -Wextra -O2 -c src/elf_injector.c -o elf_injector.o gcc -nostdlib elf_injector.o -o elf_injector gcc -Werror -std=gnu99 -fno-builtin -Wall -W

Why is AI so slow to spread?

T alk to executives and before long they will rhapsodise about all the wonderful ways in which their business is using artificial intelligence. Jamie Dimon of JPMorgan Chase recently said that his bank has 450 use cases for the technology. “ AI will become the new operating system of restaurants,” according to Yum! Brands, which runs KFC and Taco Bell. AI will “play an important role in improving the traveller experience”, says the owner of Booking.com. In the first quarter of this year executiv

Zuckerberg and Meta investors reach settlement in $8B privacy case

In Brief Mark Zuckerberg and other current and former Meta executives have settled a lawsuit filed by a group of shareholders. They were seeking $8 billion for the damage the executives caused the company by allowing repeated violations of Facebook users’ privacy in relation to the Cambridge Analytica scandal. The parties did not disclose details of the settlement, according to Reuters. Facebook shareholders filed a lawsuit against Mark Zuckerberg, former COO Sheryl Sandberg, and other execut

Google confirms it’s ‘combining’ Chrome OS and Android into a single platform

We exclusively reported back in November that Google was working to merge Chrome OS into Android . Now, a Google executive has effectively confirmed the company’s intentions to combine the two platforms. Sameer Samat, president of Android ecosystem at Google, asked a TechRadar journalist why they were using an Apple Watch, iPhone, and MacBook: I asked because we’re going to be combining Chrome OS and Android into a single platform, and I am very interested in how people are using their laptops

This is the letter Donald Trump sent Apple to keep TikTok on the App Store

Tony Tan, a Google shareholder, has obtained and published a set of letters the Trump administration sent to multiple tech companies, essentially saying: don’t worry about the law, the president has your back, keep TikTok online. However, Mr. Tan disagrees. And he’s taking legal action to prove it. A bit of back story The TikTok ban has had more ups and downs than any busy person would care to follow. For today’s news, here’s the part that matters: Towards the end of his term, President Bide

Meta shares hit all-time high as Mark Zuckerberg goes on AI hiring blitz

Mark Zuckerberg, chief executive officer of Meta Platforms Inc., during the Meta Connect event on Wednesday, Sept. 25, 2024. Meta shares hit a record high on Monday, underscoring investor interest in the company's new AI superintelligence group. The company's shares reached $747.90 during midday trading, topping Meta's previous stock market record in February when it began laying off the 5% of its workforce that it deemed "low performers." Meta CEO Mark Zuckerberg has been on an AI hiring b

Roundtables: Inside OpenAI’s Empire with Karen Hao

Recorded on June 30, 2025 AI journalist Karen Hao’s book, Empire of AI: Dreams and Nightmares in Sam Altman's OpenAI, tells the story of OpenAI’s rise to power and its far-reaching impact all over the world. Hear from Karen Hao, former MIT Technology Review senior editor, and executive editor Niall Firth for a conversation exploring the AI arms race, what it means for all of us, and where it’s headed. Speakers: Karen Hao, AI journalist, and Niall Firth, executive editor.

Performance Debugging with LLVM-mca: Simulating the CPU

Some time ago I had a performance problem that wasn’t easy to explain by just looking at the code, since the version I expected to be faster was actually slower. Since the problem is simple yet illustrative, I am using it as a showcase on how to debug performance issues using llvm-mca. According to it’s documentation llvm-mca is a performance analysis tool that uses information available in LLVM (e.g. scheduling models) to statically measure the performance of machine code in a specific CPU. In

Donald Trump is reportedly preparing a sweep of pro-AI executive orders

We know what you’re thinking: there just isn’t enough AI around right now. Luckily for you, Donald Trump emphatically agrees. According to a new report from Reuters, his administration is assembling a number of executive actions that would significantly increase the energy supply used for expanding artificial intelligence. The US and China are currently battling it out to lead the way in the rapidly growing sector, but American companies will need more infrastructure to make the advances Trump w

Show HN: Pickaxe – A TypeScript library for building AI agents

Pickaxe: A Typescript library for building AI agents that scale Pickaxe is a simple Typescript library for building AI agents that are fault-tolerant and scalable. It handles the complexities of durable execution, queueing and scheduling, allowing you to focus on writing core business logic. It is not a framework. Everything in Pickaxe is just a function that you have written, which makes it easy to integrate with your existing codebase and business logic. You can build agents that call tools,

Show HN: Pickaxe – a TypeScript library for building AI agents

Pickaxe: A Typescript library for building AI agents that scale Pickaxe is a simple Typescript library for building AI agents that are fault-tolerant and scalable. It handles the complexities of durable execution, queueing and scheduling, allowing you to focus on writing core business logic. It is not a framework. Everything in Pickaxe is just a function that you have written, which makes it easy to integrate with your existing codebase and business logic. You can build agents that call tools,

Companies That Replaced Humans With AI Are Realizing Their Mistake

According to tech billionaire and OpenAI CEO Sam Altman, 2025 was supposed to be the year "when AI agents will work." Despite widespread hype, so-called "AI agents" — a software product that's supposed to complete human-level tasks autonomously — have yet to live up to their name. As of April, even the best AI agent could only finish 24 percent of the jobs assigned to it. Still, that didn't stop business executives from swarming to the software like flies to roadside carrion, gutting entire dep

Companies That Replaced With Humans With AI Are Realizing Their Mistake

According to tech billionaire and OpenAI CEO Sam Altman, 2025 was supposed to be the year "when AI agents will work." Despite widespread hype, so-called "AI agents" — a software product that's supposed to complete human-level tasks autonomously — have yet to live up to their name. As of April, even the best AI agent could only finish 24 percent of the jobs assigned to it. Still, that didn't stop business executives from swarming to the software like flies to roadside carrion, gutting entire dep

6 Tools for Tracking the Trump Administration’s Attacks on Civil Liberties

In just a few months, Donald Trump’s second presidential term has drastically reshaped the United States federal government and moved to consolidate the power of the executive branch. At the behest of the president, numerous federal agencies have undertaken aggressive, invasive initiatives to crack down on immigration, police speech, investigate political opponents, curtail US public health efforts and emergency preparedness, and more. With so much happening at once, numerous organizations and