Merge All My Newsletters into One2026-07-23Newsletter digest - July 23, 2026: When an AI evaluation became a real breachA new Stratechery item pairs with OpenAI and Hugging Face disclosures to show how a cyber evaluation crossed its sandbox and why defenders need a self-hosted model ready before an incident.
Merge All My Newsletters into One2026-07-22Newsletter digest - July 22, 2026: Netflix's mature plateau and the value of time offTwo new newsletter items examine what happens when a product or a career still works but needs a different path forward: Stratechery on Netflix's maturity and Lenny on taking enough time away to reset.
Merge All My Newsletters into One2026-07-21Newsletter digest — July 21, 2026: Why open-weight AI is an inference-cost storyStratechery argues that open-weight AI is not free to serve: the contest is moving from token prices toward inference cost, product experience, and who can run capable models locally; Lenny's archive has no new post in the configured lookback.
Merge All My Newsletters into One2026-07-18Newsletter digest — July 18, 2026: Stratechery’s mainframes and main charactersToday’s digest follows Stratechery’s new weekly framing: AI may erode IBM’s mainframe moat while OpenAI looks beyond chat for a durable user touchpoint; Lenny’s public archive has no newer post.
Merge All My Newsletters into One2026-07-16Stratechery-only Digest: July 16, 2026, IBM's Mainframe Moat and AI ProblemsToday's digest tracks Stratechery's public IBM framing, separates the mainframe question from the broader AI question, and confirms that Lenny's public archive has no new item.
Merge All My Newsletters into One2026-07-15Newsletter digest — July 15, 2026: Codex becomes the new ChatGPTStratechery's latest public framing asks whether OpenAI is moving beyond chat by making Codex the new ChatGPT; Lenny's public queue remains unchanged.
Merge All My Newsletters into One2026-07-14Stratechery-only Apple/OpenAI digest, July 14, 2026Today's digest covers Stratechery's public July 13 framing of Apple's OpenAI lawsuit as a symptom of a larger AI strategy problem, while Lenny's public archive remains unchanged after the already-covered July 7 survey.
Merge All My Newsletters into One2026-07-11Stratechery-only AI data catch-up, July 11, 2026Today's catch-up covers Stratechery's July 9 update on verifiable data as an AI race fault line, while Lenny's public archive still has no post newer than the already-covered July 7 survey.
Merge All My Newsletters into One2026-07-09Stratechery-only digest — July 9, 2026Today's digest tracks Stratechery's new Xbox/Game Pass update and keeps the Lenny's queue clean: no new public Lenny item has appeared since yesterday's covered survey.
Merge All My Newsletters into One2026-07-08Newsletter digest — July 8, 2026Two new public posts frame AI from opposite ends: Stratechery argues Meta's AI spending has to pay through ads and compute discipline, while Lenny's survey shows tech workers split between AI amplification and burnout.
Merge All My Newsletters into One2026-07-06Lenny-only newsletter digest — July 6, 2026Today’s digest covers Lenny’s public Sonnet 5 review notes: how Claire Vo turned model testing into a repeatable bench, why she mixed human and model scoring, and why model choice should be routed by task rather than crowned with one winner.
Merge All My Newsletters into One2026-07-01Lenny-only newsletter digest — July 1, 2026Today’s digest covers Lenny’s new AI leverage framework for product managers: how the role is shifting from coordination toward connected tools, code-aware prototypes, and repeatable AI workflows.