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Comment by kortilla

4 years ago

Keep in mind that they can very well predict which videos will have any meaningful amount of views <99% and just encode on demand the ones that won’t.

I didn't know that, and am glad that they do transcode on the fly when appropriate. Very impressive that it's seamless to the end user, I've never sat waiting for a YouTube clip to play even when it's definitely something from the 'back catalog' like a decade old video with a dozen views.