My colleague wanted a nerdy, niche tool for his MacBook. Codex whipped it up in minutes.

OpenAI CEO Sam Altman Kevin Dietsch/Getty Images A version of this story originally appeared in the BI Tech Memo newsletter. Sign up for the weekly BI Tech Memo newsletter here. Every week in the AI Playground section of our Tech Memo newsletter, we feature folks trying an AI tool, or sometimes I test stuff out myself. This week, we hear from Business Insider's star AI reporter Stephen Council. He's been using OpenAI's Codex tool to build software stuff without using code. OpenAI merged Cod...