AI startup Captions has launched a video translation app called Lipdub, which supports 28 languages, including various dialects. Users can translate one-minute monologue videos and share them on social media. The app also features AI video editing capabilities that match lip movements with subtitles. Founded in 2021, Captions has raised $40 million in funding. The trend of AI video translation is growing, with companies like YouTube also experimenting with similar technologies.