How I AI · Monday, October 26, 2026
Blair Metcalf explained that Reddit Proto allows product managers and designers to log in and render actual production data within their prototypes. This capability addresses leadership's skepticism toward traditional Figma mockups by putting new features through real-world paces, such as live LLM-ranked search results.
“And the nicest doodad here is that you can then use signed in data. And so you'll know if your design works. And this helps with all kinds of real-time data feeds.”
“Reddit has personalized data. But if designers are mocking everything in Figma and then they show that to leadership, leadership's going to look at that and be like, why? This isn't relevant to me. So if you make one of these real world prototypes with real data, they'll put it through the paces of some new feature.”