There's been a variety of discussions recently about rich snippet spam & people abusing the AggregateRating schema:

One of the main issues raised is that of legitimacy; how is anyone supposed to trust if these reviews are genuine? I was wondering if Google would ever consider linking authorship into the review mixer.

One of the requirements could be that the reviews had to be on your site, and that they were linked through to a Google+ profile by a similar means to rel="author", it would give Google a whole extra layer of social data about the reviewer and allow them to make a judgement on legitimacy.

Whether Google actually cares about this sort of thing - who knows? But it would be a neat way to push schema and G+ at the same time.

Any thoughts SEO world?
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