1. The annotated-screenshot format makes findings immediately shareable with non-UX stakeholders (clients, PMs) without extra write-up work 2. Works on Figma prototypes as easily as live URLs, including flows behind a login 3. MCP integration means I can run it as a skill from my own AI workflow instead of switching tools 4. Captures why a persona hesitated, not just that it did — more useful than a raw click/attention map