Selected answers from the Dumb SEO Questions Facebook & G+ community.
Valentina Huff: Did Google stop accepting Microdata as its schema format and only accepting JSON-LD now?
Edwin Jonk: No Google supports both. ; https://developers.google.com/structured-data/schema-org?hl=en&rd=1
PromozSEO: Schema is the universal Structured Data and recognized by all major search engines.
Valentina Huff: Well, the Testing Tool isn't recognizing any structured data on any of our websites at all. It used to before this testing tool was updated but not anymore.