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Yes. Random access and indexing are two areas where books kill videos.

Also, a fast reader can absorb information at a considerably higher rate than what you get from normal speech.

There have been experiments that indicate that it's possible to understand speech at significantly higher than normal rates (i.e., you can speed up the video and still get just about the same information from it). The "chipmunk" effect is a little distracting, but you get used to it.



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