One developer ran Claude Code and ChatGPT Codex on the same codebase simultaneously. This is the instruction file architecture that kept them from contradicting each other.

A Silicon Valley engineer went from Claude Code convert to near-termination after AI-generated bugs crashed production twice. Cal Newport unpacks what went wrong.

A CRO agency removed a funnel stage for a major weight-loss subscription company and revenue jumped 26%. Here is the research logic and what made it work.

A Thoughtworks CTO ran a controlled experiment: refactor a 17,155-line file, then measure token costs for identical changes. Input tokens dropped from 159,564 to 27,360.

Rick Kranz built 100+ AI automations and found one consistent failure mode: raw data without a semantic layer. Here's the three-part fix he landed on.

An AI implementation consultant shares CRM-verified results from four B2B lead gen tool rollouts. Three worked, one burned £2,400/mo. Here is what separated them.

Conversion Rate Experts helped Churnet Valley Railway, one of the UK's leading heritage railways, hit its best year on record by redesigning its website one page at a time using research instead of guesswork.

SiteMinder CTO Tom Varsavsky shares how his team doubled AI-generated code monthly with Claude, cut months-long projects to weeks, and why he's not vibe-coding a Salesforce replacement.

Ellen Choi, CEO of Edgefield Group, breaks down how CPA firms are using vibe coding today, what blows up, and the one structural rule that separates a working app from a prototype that breaks.

Three engineering leaders explain how AI coding tools created a quality gap that passing builds couldn't hide, and what they rebuilt to close it.

A 21-year marketing consultant ran 7 AI implementations in 2024-2026. Here are the actual results, timelines, and the cold outreach failure that cost 4 months of brand recovery.

A Bali-based agency owner with 10+ years of coding experience shares exactly how AI changed their workflow, what a marketing site rebuild looks like now, and the business model problem nobody has solved yet.