Understanding the subtle nature of A and P in Brewers CAP paradox is one of the hardest things to get right, and this guide is a good example of how a couple of visual aids can make clear what would otherwise take pages of text. A visual taxonomy of what each CAP choice "looks like" would be a useful addition to all of the NoSQL guides out there.
Great explanation. A diagram with 3 example scenarios is worth a thousand words.
One upvote doesn't do justice. The linked article made me actually understand what I'd only thought I "understood" before. More such articles, please.