How the term is used here In this conversation, Guillermo Rauch invokes software 2.0 when describing how startups can out-position incumbents. His argument is that the history of SaaS is a competition of checklists — feature maturity tends to correlate with UI bloat, buttons, dropdowns, and nested dropdowns. Thinking from first AI principles, that accumulated UI 'can vanish without a tradeoff of functionality': rather than hand-writing more if/else branches to match a feature checklist, AI can search the space of possible programs instead. That is software 2.0: a mode of building where the program's behavior is found or searched for by AI, replacing the traditional hand-authored, branch-by-branch logic of classic software. Rauch pairs this idea with his broader point that startups win by being overwhelmingly better and simpler on the dimension that matters — you may eventually cover the incumbent's checklists, but you may never need their UI complexity to do it.