18 Jun 2021 --- Digital watermarks can increase packaging circularity in “ways that were not possible in the past,” according to plastic packaging specialist Paccor and digital identity technologists Digimarc. The two companies partner to give plastic packaging what Digimarc calls “digital recycling passports.” Scanning the near-to invisible barcodes helps recycling sorters identify what kind of material is used and how the packaging should be recycled.