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1. Public Domain Review (publicdomainrev@quitter.no)'s status on Tuesday, 14-Mar-2017 00:07:50 UTC Public Domain Review
   A visual history of colour wheels, charts, and tables: from scientific systems to those based on hues of emotion http://buff.ly/2mS2dRh https://quitter.no/attachment/996732
   • @mcscx@quitter.se repeated this.