Watermarks
We are used to seeing watermarks in our currency notes, but soon we may be seeing them in plastic packaging as well. More than 80 major European brands such as P&G, PepsiCo and Mondi will collaborate in the HolyGrail 2.0 project to insert digital watermarks the size of postage stamps into consumer goods packaging. These watermarks can be decoded using a standard high-resolution camera to aid sorting of waste into the right categories during recycling, or to identify manufacturer information, thus increasing accountability for moving to a circular economy by keeping materials in use.
— Wayne Visser
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From Purpose Inspired: Reflections on Conscious Living, Volume 4. Buy on Lulu ↗