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"Watching study videos at double speed doesn’t hinder learning"
https://newatlas.com/science/watching-videos-double-speed-learning-study-comprehension/
I can focus much better when it's sped up. My mind tends to wander when the content is delivered too slowly.
@Pat Yep that's why I watch Music Videos at 1.25x 😂
I guess some content is designed to make your mind wander. 
@lupyuen Well, that's good. That's the only way I can stand to watch some videos these days. 😆