15 Jun 2026
Signal Headquarters

Field Notes · 15 Jun 2026

Best explained

Anthropic explains why the government jailbreak standard used against Fable is industry-ending if generalized: applying it broadly would halt all new model deployments across every frontier AI provider.

By the numbers

Cloudflare reported that agent and bot browsing now accounts for more web use than human browsing.

New today — Sharp calls

Greg Isenberg on tooled small models beating large cloud models.

Greg Isenberg

Anthropic claims the jailbreak capability cited in the government's directive is used every day by defenders who keep systems safe.

Anthropic

Sterling Crispen frames the Fable export control case as setting a precedent for punishing potential AI capabilities before they cause harm.

Sterling Crispen

New today — Useful context

Startup ideas should be treated as likely wrong (75% of the time), making rapid small-bet testing more rational than betting large on any single idea.

Mark Pincus

Luke Bailey on the limits of training only on known human solutions.

Luke Bailey

New today — Watchlist

Bond yields and crude oil prices have been perfectly correlated since March 27th.

Jim Bianco

Tool watch

Fable: a frontier AI company shut down by US government export control directive, now a central test case for how capability-based national security restrictions could apply across the AI industry.

Worth quoting

“You're spending a trillion dollars a year and the revenue on AI talk about maybe 70 80 billion.”
Rajiv Jain
“We believe it would be good for the world to have the option to slow or temporarily pause frontier AI development.”
Jason Calacanis
“The recovery is not coming if you're not getting AI budget. It ain't coming.”
Jason Lemkin
“The most high value product of the Ethereum blockchain financially speaking is ETH the asset.”
Chris Berniski
“40 to 41% of employees saying they ship AI work that they couldn't explain if asked. This is bot f***.”
Rebecca Hinds
“You cannot sell Bitcoin. If you are selling Bitcoin, the whole system breaks.”
Michael Saylor