This was a pretty obvious insta-buy. If you have any interest in the what’s and how’s of DL, I can’t recommend Andrew’s approach more highly.https://twitter.com/AndrewGlassner/status/966126923704254467 …
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I’ve browsed it, and I followed along with some of the pre-release material as it was developed, but I confess I haven’t read it in its entirety yet 
I asked because it would not have surprised me if you have already read it.
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