If you're the type of reader who picks up their book after a few days off (or even one) and thinks, "What in the world is happening here?" Amazon's new Kindle Scribe models , announced Tuesday , have an AI feature that solves the problem.

Story So Far, as the feature is called, supplies forgetful readers with a quick synopsis of what they've last read as soon as they pick the story up again. It's such a brilliant and straightforward use of AI that it has this paper book purist ready to move on to an e-reader.

A rep for the brand at Amazon's device event in New York told us that there are absolutely no spoilers, just a fast summary to get you back up to speed. No more flipping backwards to remember who betrayed whom or what city the protagonist escaped to. The synopses are avail

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