Building an iPhone game in Unity, alone, on an 8 GB laptop: what I check before buying a world on Fab, how Claude and Claude Code split the work, the night iOS killed the game at 215 MB free, and the test gate that refuses a build with a failing scenario. Fifty-nine days of notes, with the numbers left in.
Shopify shipped Horizons in May 2025 with 150+ updates. The infrastructure layer underneath — Storefront MCP, Catalog API, Knowledge Base App — is what most merchants missed.
Most people selling AI tools have never used them in production. JFK Løvlien built two AI systems from scratch, optimised 25,000 real products, and runs multiple live Shopify stores. He also wrote four novels — by hand, no AI. Everything JFKAISLAY sells was tested on his own businesses first. This is who is behind the brand.
