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Weekly cornerstone writing on Rufus, ChatGPT, Gemini, Perplexity, Copilot, Claude — plus DACT measurement, protocol updates, and case studies you can actually use. Numbers-first. No fluff.
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Weekly cornerstone
One deep-methodology piece each week — 2,000-3,000 words with a named case study, real numbers, and a 90-day plan. No hot takes.
Protocol updates
Every ACP, UCP, AP2, MCP, A2A, TAP change that matters for merchants — with implementation notes, not just announcements.
DACT + Citation Rank benchmarks
Quarterly reads on where the multipliers are moving, which surfaces are gaining share, and where the arbitrage windows sit.
Recent
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Jul 26, 2026
AI Commerce Conversion Rate: The 15.9% vs 1.76% Stat, Explained
ChatGPT-referred shoppers convert at 15.9% versus 1.76% for Google (Adobe, 2025). Here's what's actually driving that gap — and why it doesn't mean what a lot of decks imply.
Jul 25, 2026
How to Optimize Your Product Catalog for AI Agents
An AI agent can only recommend what it can parse. Here's the practical checklist for making your product catalog readable, structured, and retrievable by shopping agents.
Jul 24, 2026
GEO vs AEO vs SEO: What Actually Changed and What Didn't
Three acronyms, three different jobs. SEO wins the crawl, AEO wins the answer box, GEO wins the citation inside a generated response. Here's what each actually optimizes for.
Jul 23, 2026
Why Founders Are DIY-Hacking Their AI Citation Tracking (And Where It Breaks)
Founders are already writing scripts to check if ChatGPT and Perplexity mention their brand. The instinct is right. The DIY version breaks down exactly where it starts to matter.
Jul 22, 2026
How AI Agent Payments Actually Work: A Plain-English Guide
An AI agent completing a purchase isn't magic — it's a wallet, a spending policy, and a settlement rail working together. Here's the flow in plain English, no protocol jargon required.
Jul 21, 2026
The Agent Collections Problem: Who Invoices an AI Agent That Owes You Money?
Every agentic-checkout tool solves outbound spend: an agent buying from you. Almost none solve the reverse — invoicing, billing, or collecting from an agent-run account. That gap sits squarely in Layer 03, and it's still open.
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