AI is moving from chat to action. In this episode of Big Ideas 2026, we unpack three shifts shaping what comes next for AI products. The change is not just smarter models, but software itself taking on a new form. You will hear from Marc Andrusko on the shift from prompting to execution, Stephanie Zhang on what it means to build machine-legible software, and Olivia Moore on why voice agents are becoming practical, deployable systems rather than demos. Together, these ideas tell a single story.