I lost a fight with the sidewalk the night before my talk at SXSW. Not exactly the kind of opening line you script for your first SXSW keynote in seven years, but there I was in Austin, cut-up but grateful and energized to be back on that stage talking about something that matters more than most leaders realize right now. The talk was called “Augmented IQ: Scaling Human + AI Potential.” It built on a simple but urgent thesis: the…