Twister Sifter is carrying a great compilation of maps with some extra information on them. Several of them have been featured on this blog before, but not even close to all of them. I particularly like the map above, showing the most common surnames by country in Europe, and the one below, which shows where different writing systems are used around the world. For both, click to embiggen.
40 Maps That Will Help You Make Sense of the World [TwisterSifter]
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