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Lights On by Farida

Farida Khalaf, Alex Randall Kittredge
Tens of paid subscribers

A systems-driven newsletter from a data engineer and cybersecurity thinker, decoding complex data, technology, and business trends into actionable insight.

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Substack
PricingOnly free issuesPublishesDaily
Issues220Founded2 years agoLast Issue6 days ago
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Latest Issues

What Is the Hockey Stick Curve? The Reality of Exponential Growth

“The greatest shortcoming of the human race is our inability to understand the exponential function.”

— Albert A. Bartlett

The Hockey Stick: Why Exponential Growth Fools Us

There’s a thought experiment as old as the legend of chess it...

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The Scissors That Cuts Everything

The Most Dangerous Moment Is the One That Feels Like Progress

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Tocqueville went looking for why France revolted just as life was improving. What he found is the same trap that punishes a company the moment it finall...

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Prompt Operators: How a Few Words Route a Language Model's Reasoning

TL;DR: Prompt operator testing - Technical use

Prompt Operators: Semantic Routing in Large Language Models

There is a layer between what you ask a model and how it reasons its way to an answer. People have named pieces of it before...

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The Fight Over the AI Knob

AI has become a tug-of-war between technological ambition and financial momentum. Somewhere between the hype cycle and the power grid, we forgot to build a brake. If nobody can be first to stop pulling, we aren't advancing, we're hemorrhagi...

17 days ago
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Who Are You? The Hidden Forces Behind Your Judgment

“Certainly anyone who has the power to make you believe absurdities has the power to make you commit injustices.” — Voltaire

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Do You Know Yourself

I attended a session built to teach critical thinking and metacognit...

22 days ago
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Authors

The writers behind this newsletter.

  • Farida Khalaf

    Economist, data engineer, cybersecurity. I write about systems, incentives, and entropy in modern organizations. Most failures are not operational, they are structural misreadings of reality.

  • Alex Randall Kittredge

    Strategy consultant to technical founders; built my career across a $20B family office, fintech startup, intelligence work, and now my own firm. ARK Strategy is one essay a week on designing a durable career in the post-AI economy.

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