RFID Journal Staff asked 9 years ago —Ezra (Kirkland, Wash.)
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Ezra,
The short answer is that no one is working on PML since it’s not in use.
PML was abandoned as the Electronic Product Code (EPC) concept was transferred from MIT’s Auto-ID Center to GS1 for commercialization purposes. I’m unsure exactly why, but I think businesspeople found it unworkable for their needs. Instead, they developed a set of software tags that enable other systems to know the product type, the business process during which a tag was read, the location of the tag read and other information that would be valuable to a business.
These tags are incorporated in GS1’s Electronic Product Code Information Service (EPCIS), and the codes differ from one industry to the next. The chemical sector, for instance, might require codes to indicate whether chemicals are toxic or flammable, whereas this might not be necessary in, say, the toy industry.
—Mark Roberti, Founder and Editor, RFID Journal
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