According to Ethan Mollick on X, the prompt “an otter using a laptop on an airplane” was rendered locally on his home computer using the open weights model Wan 2.1 on the first try, demonstrating how far open text-to-video has advanced on the same hardware in 18 months (source: Ethan Mollick, X). As reported by Mollick, while quality lags top cloud models, fully offline generation with open tools marks a new capability for creators and small teams without GPU cloud costs (source: Ethan Mollick, X). According to this firsthand demo, the business impact includes lower barriers for prototyping ads, social clips, and educational visuals, plus private, on-device workflows for regulated or sensitive content (source: Ethan Mollick, X).