Musk on the stand. LeCun staking a billion. And every adviser, founder and junior in Britain learning what happens when they hand theirs to a machine.

This week's issue opens in a federal courthouse in Oakland, where Elon Musk has spent seven hours under oath arguing that the men he funded broke a charitable trust to build the most valuable AI lab on earth. The most damaging evidence is not from Sam Altman. It is a notebook page from Greg Brockman that calls the nonprofit pledge a lie in plain English, written months after he had assured Musk it would hold. We walk through the Larry Page kitchen conversation that started OpenAI, the three-phase narrative that may sink Musk's own statute-of-limitations argument, and the moment William Savitt got Musk to admit, on the stand, that he had once told Tesla analysts he was building an enormous AI-enabled robot army.

We then turn to a Yorkshire negotiation last month, in which a senior professional handed an advisory board offer to a chatbot, asked for guidance, and lost the role inside twenty-four hours. The lesson, expanded from this week's Yorkshire Post column, is that AI is a multiplier. It amplifies expertise where there is a floor underneath. It exposes confusion where there is not. We offer five practical rules for using AI without becoming the person being quietly marked down.

We close with Yann LeCun and AMI Labs, the billion-dollar seed round built on the bet that the entire industry's foundational judgment has been wrong for five years. Plus the Week 19 layoff tracker, where Microsoft's first such programme in fifty-one years and Meta's eight thousand cuts pushed the year-to-date total past two hundred and seventy thousand.

Read the full issue, with charts and source notes, at thesundaysignal.ai.

For the first time in its 51-year history, Microsoft has offered voluntary retirement to thousands of its veterans. On Polymarket, real money is wagering at 90 per cent that 2026 will finish with more US tech layoffs than 2025. And in San Francisco, a 20-year-old from Texas threw a Molotov cocktail at the front gate of Sam Altman.

These are not three stories. They are the same story told in three registers: the boardroom, the market, and the street. All three are converging on the same answer. Most leaders are still pretending to debate it.

In Issue 51 of The Sunday Signal, David Richards MBE traces the line from Peter Drucker's most uncomfortable question to the modern Luddites, asks what the betting markets already know that boardrooms will not say out loud, and closes with the story of Leonie Hughes — a girl expelled from school at 15, now standing in a barrister's robes — and what AI cannot do.

This episode covers:

• Drucker's question and why every CEO is now avoiding it
• Microsoft's Rule of 70 and what the buyout really signals
• Polymarket's 90 per cent verdict on 2026
• The attack on Altman, and four lessons history teaches every boardroom
• Leonie Hughes and the people the new economy actually needs

This is not a transition. It is a replacement.

Read the full edition at thesundaysignal.ai. Subscribe free for the weekly Sunday signal on AI, work, power, and the future of Britain.

In January 2000, Pets.com paid $2.2 million for thirty seconds of Super Bowl airtime and sent a sock puppet. Nine months later the company was bankrupt. The sock puppet survived. The lesson did not.

Issue 50 of The Sunday Signal. This week I go back to the beginning — not the beginning of this newsletter, but the beginning of the pattern. Forty years of technology disruption, told without the survivor bias that distorts every boardroom presentation. Who lost in the mainframe era and why. Who lost in the web era and why. Who is losing right now in the AI era, and why the mechanism is identical every single time.

Then the investor's guide. Because the most dangerous sentence being said on earnings calls across the world right now is "AI is helping our business." Most of the people saying it are wrong. Some of them know it.

I give you a hot list — companies already dying, companies that cannot be touched, and the one question that separates them. Plus the Week 17 layoff tracker: Snap's CEO says the quiet part out loud, Oracle executes the largest single-company workforce reduction of 2026, and why an HR software company cutting its own staff to become "AI-first" is the most ironic signal of the year.

The sock puppet of 2026 is standing at the front of the room. The question is whether you act before the bankruptcy filing does it for you.

The Sunday Signal is a weekly newsletter and podcast on AI disruption, the future of work, and Britain's economic future. Published every Sunday at newsletter.djr.ai