Personally, I would think that the money spent making the videos was wasted. I read a lot on the go (school, car, etc.) and A) wouldn't stop reading until I saw the video and B) wouldn't go back to watch the video if I was 10, 20, 30, however many pages from where the "bridge" was supposed to be.
Granted, I didn't read the whole article, just what was quoted, so I may have missed something.
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