Some vendors has sensitive context properties like user name that can be passed to the dependent service inside the organization, but should not be propagated to external services. PII flag of the property can indicate that the value is sensitive and should have a special treatment.
Copy from https://github.com/w3c/trace-context/issues/24
Some vendors has sensitive context properties like user name that can be passed to the dependent service inside the organization, but should not be propagated to external services. PII flag of the property can indicate that the value is sensitive and should have a special treatment.