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The videos are mostly in English, how can it help other language speakers to take benefit from English videos?

I'll give you an example that I do every day. Since I'm not fluent in English, I don't understand many videos in English, but with the summaries, I can translate them and understand what the video supposedly means.

Oh! got it now, it creates a transcript of the video and then you can read through AI generated thread under it. Cool.

Yes, that's how it works. I'm glad you understood.

Since it's now free, anyone can bring videos from YouTube here and run the command to summarize them.