Many thanks to the Content Curation Social Media Scoop-It topic for their excellent work on this as quoted below and in the attached:
"This article on fastcodesign.com features what can be best described as Infographic Art, produced by Eric Fischer.
There is a World map in which there are no borders and the predominant language of Tweets are depicted in colors.
There are 4 other maps, the third of which, of New York City, "has extremely intermixed borders--a crucial feature of the city's famed cultural melting pot".
The depictions are beautiful. See them all here: [http://bit.ly/rZTnd7]