The .WWF file format is a “green, because unprintable” file format, with its own website and Facebook page. On March 17 2011, around 10 am GMT +1, that Facebook page was updated with a post that starts saying: “Use WWFs tips on paper efficiency to help save the earth, reduce your carbon footprint and save money at the same time.
Mar 17, 2011
Stop at Zona-M
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