The Sigma Foundry blog
Practical guides for the business side: government contracting, selling online, AI that does real work, and tax and money.
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How to Build a Truth Layer for Your Product (5-Step Framework)
Most product pages say the same thing:
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Why Brand Memory Matters MORE in an AI Economy (Counterintuitive)
Most marketers think: "If AI is doing the shopping, brand doesn't matter as much."
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Your ARI Score Explained: What It Means and How to Improve It
ARI (AI Readability Index): 1–100 scale measuring how well AI agents understand you.
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AI Washing Is Killing Careers (And Brands). Here's How to Tell the Difference
I saw a resume last week. It said:
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How to Position for an AI-Native Future (Without AI Washing)
Companies are saying: "We need to sound AI-native."
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AI Agents as a Discovery Channel: How to Be Recommended
For 25 years, you needed three things to reach customers:
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How AI Agents Change Customer Behavior (And What Businesses Must Do)
I walked into a store intending to buy a sound system from Brand X.
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What Is Agent-Legible Content? (And Why You Need It)
Your content is written for humans.
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How to Write Prompts for Claude AI: A Practical Guide for Better Results
Writing effective prompts for Claude AI uses four principles: clear role assignment, explicit context blocks, structured output specifications, and iterative follow-up prompts. Claude responds better to direct instructions, rewards longer context, and produces more consistent output when given explicit format requirements.
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The 15 Best ChatGPT Prompts for Marketers in 2026
The best ChatGPT prompts for marketers in 2026 use role-setting, context blocks, and output formatters to produce campaign briefs, ad copy, email sequences, and content calendars in minutes. This guide covers 15 copy-paste prompts across the most common marketing use cases, with format instructions for each.