.@danshipper had written the sentences. He needed help putting them in the right order. An 8,000-word draft had a middle section that would take hours to rearrange by hand. He gave his agent the section and the structure he wanted, asked it to have Gemini 4 Argon propose the changes, and then asked it to apply them as tracked changes in Google Docs. He went off to do something else. Dan estimates that this workflow helped him write “How Codex Happened” about twice as fast as he otherwise…