See also: http://opendata.stackexchange.com/questions/562/ http://opendata.stackexchange.com/questions/562/ And the blog post by Semantics3: https://blog.seman

See also: http://opendata.stackexchange.com/questions/562/ http://opendata.stackexchange.com/questions/562/ And the blog post by Semantics3: https://blog.semantics3.com/why-the-u-in-upc-doesnt-mean-universal-a1a675eea0ea https://blog.semantics3.com/why-the-u-in-upc-doesnt-mean-uni...