Matthias Wiesmann

I would suggest doing the following to make things more consistent: * `ProgramMembership` should have a `program`fields that points to a `MemberProgram`, the `programName` should be annotated to say it...

Is there one or the other social platform that would/could implement this? How hard would it be to add it to say, the fediverse? Generally, can't this be expressed using...

> @MatthiasWiesmann Are you suggesting to link [Certifications](https://schema.org/Certification) to [Account](https://schema.googleapis.com/Account) instead of creating new AccountVerificationProof/IdentityVerificationProof. Yes.

Yes! and see if you can add a meaningful example.

In my opinion, there is no clear separation between various types of certifications. What do you mean by a _proper_ certification? The choice of term might clash with the usage...

Roughly, I would reuse the hasCertification attribute name and define the verification as a member of the term set (which would contain the various types of verification badges). ```json {...

Why would we need a pull request, there is nothing to do, or do you mean an example?

Some observations: * `FinancialIncentive`would inherit from Thing, CreativeWork, or even [Project](https://schema.org/Project) so the `url` field is redundant. I would also omit the `display_name`,`name` and `description`are used for this. If inheriting...

* I would say "FinancialIncentive" fits the description of Project: "An enterprise (potentially individual but typically collaborative), planned to achieve a particular aim" * For the category, I would just...

> I'd rather not use a global product categorization, since there are many types of products that will never fit into this schema. The city of Zürich has an [incentive...