Simon Willison (@simonwillison.net): Sent out my sponsors-only monthly newsletter for June, which means the May newsletter is now available here github.com/simonw/month... - you can sponsor me through GitHub to stay a month ahead of the

IBM's mainframe business is declining as AI technology makes it easier to port essential backend programs off archaic systems, potentially making those lost sales permanent. OpenAI faces legal challenges from Apple while expanding into hardware with an ambient speaker product. The article analyzes AI's disruptive impact on established tech companies and their business models.

The article analyzes emerging policy threats to open-source AI models, particularly citing White House discussions about potential executive orders that could restrict open models above certain capability thresholds. It argues that open models lack the lobbying power of closed-source alternatives and face serious regulatory challenges that could create a permanent capability gap within the next 6 months.

The author argues that Europe's reliance on renting AI models from US companies creates significant sovereignty risks, as demonstrated when the US government recently ordered Anthropic to disable its Fable model for all foreign nationals. This essay examines how dependence on foreign-controlled AI infrastructure leaves European institutions vulnerable to sudden access changes, and why open-source alternatives from Europe or China are not viable solutions.

This article examines Sam Altman's proposal to give the US government a 5% stake in OpenAI, which would then potentially be distributed to American households. It explores the rationale behind such wealth-sharing schemes—including compensating creators whose work trains AI and providing a safety net against job displacement—and calculates what each household might receive (~$320). It also analyzes the political appeal and potential benefits for OpenAI in building public trust and securing favorable treatment from the Trump administration.

Security researchers discovered a critical flaw in Microsoft's Secure Boot protection system that has existed for over a decade, allowing attackers to bypass the security feature using old, vulnerable 'shim' binaries that were never properly revoked. The vulnerability affects both Windows and Linux devices and enables malicious firmware installation that persists even after OS reinstallation. This reveals a fundamental failure in Microsoft's security certificate management process for boot-time protection mechanisms.