We all know that Google bases ranking on the quality of the content, and we all (SEO’s) argue about the rating system of that measure of quality, but today’s announcement {http://econsultancy.com/uk/blog/8213-google-starts-indexing-facebook-third-party-comments } might add a new dimension to this debate.
Google are indexing Facebook comments as well as standard blog comments and of course their plus1 data. I see this becoming the defacto signal for search engines rating content – i.e. content that users generate.
Here’s how it could look:

A vision for future Google
We all know that Google bases ranking on the quality of the content, and we all (SEO’s) argue about the rating system of that measure of quality, but today’s announcement {http://econsultancy.com/uk/blog/8213-google-starts-indexing-facebook-third-party-comments } might add a new dimension to this debate.
Google are indexing Facebook comments as well as standard blog comments and of course their plus1 data. I see this becoming the defacto signal for search engines rating content – i.e. content that users generate.
Here’s how it could look: