Ohalo Genetics CEO David Friedberg tested AI-built horizontal tools before landing on a buy-vs-build framework. The lesson applies to any founder running a lean stack.

Best Lawyers CEO Phillip Greer built an internal AI app store on top of a unified data layer. Now 40% of non-engineers ship dashboards and automate reports. Here is how they did it.

A developer built three syncing personal apps using Claude on an £18/month plan. Here is the architecture, the process, and the honest tradeoffs.

A South American gift company moved its upsells off the product page and onto a dedicated step. Order value jumped 28%. Here is the methodology behind the test.

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.