https://koffey.ai Ideas on building with AI, fitness over 40, and infrastructure — explained in plain English. en-us https://koffey.ai/blog/welcome-to-koffey https://koffey.ai/blog/welcome-to-koffey Sun, 05 Jul 2026 12:00:00 GMT Koffey is now an ideas hub: building apps with AI, staying strong after 40, and explaining infrastructure in plain English — all built in public.