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This has vastly improved my walk to work (clear a whole book!) and my Kindle 
spending. (& for many books I've wanted to read but not buy)https://twitter.com/starsandrobots/status/808755139557236736 …
I also really like the quality of voice actors that record the audio readings of the "blinks" (a critical feature for the walking)
I needed to try it against a known book before I trusted the summaries. I found a book I had read half of and stopped. The first half was
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