Delta

You read about AI every morning and remember almost none of it.

Delta is a daily learning app for people who build with AI for a living. Short lessons, one question at the end of each, and a scheduler that quietly brings things back before you forget them.

How it works

Every card is a couple of minutes long and ends with something you have to actually produce: predict the output, find the bug, pick the cheaper option, name the tradeoff. Reading is not the same as knowing, and the question is what tells the difference.

Underneath, Delta tracks what you got right, what you got wrong, and how long you took, then decides when to show it again. There is no review queue and no due count. Repeats simply arrive in the feed, indistinguishable from new material.

What it covers

Ten tracks. The last five are the ones nobody writes about: the material you need when an agent has to survive a security review, an auditor, and a production SLA.

• Foundations and modeling
• Generative AI
• Agentic AI
• AI engineering and inference
• Data and retrieval
• AI security
• Responsible AI
• AI governance and regulation
• Enterprise AI architecture
• AI operations and reliability

What it is not

Not a course, not a newsletter, and not another feed that monetises your attention. There are no ads and there never will be. Every card links to the source it was written from, so you can go and read the original whenever you want to.