Substrate

A digital garden of notes, ideas, and reflections from Doug Belshaw.

Back to the surface

May 2026

28 notes
notes updated 3 min read Untended

There's a Douglas Adams quotation for every occasion

AI summary

This note is a curated collection of Douglas Adams quotations from his books, including The Salmon of Doubt, The Long Dark Tea-Time of the Soul, and The Hitchhiker's Guide to the Galaxy series. The quotes are grouped by source and cover topics such as technology, human nature, bureaucracy, and philosophy. The title suggests the author finds Adams' wit and wisdom applicable to many situations.

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notes updated 1 min read Untended

It's algorithms all the way down?

AI summary

The note critiques Daniel Miessler's idea that businesses are simply a "graph of algorithms" by linking it to Stafford Beer's Viable System Model, arguing that AI can optimize but not fully automate the complexity of multinational companies. The author concludes that human skill and context remain essential for redesigning processes.

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reflections updated 2 min read Untended

Using AI to write about the dangers of AI

AI summary

The note discusses the irony of using AI to write about AI's dangers, citing a papal encyclical where AI detectors flagged significant portions as AI-generated while also showing high false-positive rates. It also recounts an author finding AI-created synthetic quotes in his book, emphasizing the need for better fact-checking.

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notes updated 1 min read Untended

Toggl and spreadsheets

AI summary

The author manually copies project hours from Toggl into Proton Sheets, then uses a formula to convert the time format (e.g., 30:45:00) into decimal hours (e.g., 30.75) for further analysis. The note provides the formula for reference, noting this workaround is needed because the spreadsheet cannot natively handle Toggl's raw time output.

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ideas updated 1 min read Untended

The App That Does Everything (TATDE)

AI summary

The note describes a concept for future apps that build themselves by drawing on universal 'skills' and allowing users to refine functionality through questions. It envisions composable, context-aware interfaces shaped by user preferences, accessibility-first voice conversations, and a value proposition canvas process.

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notes updated 1 min read Untended

Measuring the subscription

AI summary

The note argues that measuring developer productivity through output volume—lines of code, commits, or AI-generated tokens—confuses activity with value. True productivity involves solving the right problems effectively, not generating more code. Metrics that fail to assess problem-solving quality measure only engagement with the tool, not

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notes updated 1 min read Untended

E-ink screens

AI summary

The author is interested in e-ink screens for writing, particularly to reduce glare due to light sensitivity, and wishes for a laptop that can switch between regular and e-ink displays. They cite a programmer's experience using the Onyx BOOX Mira Pro Color e-ink monitor as a primary display.

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notes updated 1 min read Untended

US as failed state

AI summary

The note argues that the US resembles a failed state due to the arbitrariness and uncertainty caused by an unpredictable narcissist leader. The author would prefer to go to China than the US and declined a respected invitation to a US-based conference for this reason.

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reflections updated 2 min read Untended

No Country for Old Men

AI summary

The note compares Cormac McCarthy's novel and the Coen brothers' film adaptation of No Country for Old Men, noting that while they share the same events and dialogue, the book emphasizes Sheriff Bell's reflective narration and randomness, while the film focuses more on the suspenseful hunt and alters Carla Jean's death scene to imply cause and effect.

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ideas PINNED updated 1 min read

Substrate is a digital garden

AI summary

The note explains that after trying other tools like Obsidian and Forestry.md, the author created Substrate, a digital garden that pulls in Are.na bookmarks and organizes notes into stages: Rough, Working, and Settled. The name derives from the biological concept of substrate, the surface on which organisms live, as a more fitting metaphor than "digital garden."

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