Everyone's Talking About Gemini 3.5 Flash. The Real Story at Google I/O 2026 Was a Skill File.

This is a submission for the Google I/O Writing Challenge Everyone walked away from Google I/O 2026 talking about Gemini 3.5 Flash benchmarks. Veo 3. Gemini Omni doing multimodal physics. The usual keynote sugar rush. Good stuff. Expected. But if you want to understand why this I/O actually changes how developers build — not in theory, in production, this week — you need to look at something that got maybe four sentences in the developer keynote. A markdown file called SKILL.md. I didn't...