Mobbs
Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

meet mobbs.fun what if you could test your video on 50 AI viewers before actually posting it? built with Meta Muse, mobbs simulates a whole crowd watching your video, reacting to different scenes, dropping off when they lose interest, and telling you why. you get simulated retention insights and actual editing suggestions before your video goes live. basically a test audience for your content, powered by AI.