It's a simple question. What's the answer?

Google says that: "One caveat to watch out for: while it’s OK to use the new schema.org markup or continue to use existing microformats or RDFa markup, you should avoid mixing the formats together on the same web page, as this can confuse our parsers."

Over here though, the Open Graph Protocol says: "We've based the initial version of the protocol on RDFa".

So that sounds like you can't.

But schema.org says: "Even if you mark up your content using the Facebook Open Graph protocol, schema.org provides a mechanism for providing more detail about particular entities on the page." That sounds a bit like you can use them together?

Yet over here it is written: "Which are you going to choose? Facebook’s Like button markup, or Google/Microsoft/Yahoo’s Microdata markup – you are being put into the position of choosing one of those exclusively."

So what's the answer?

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