I also believe that this is one of the potential benefit of G+. Though this can also easily be rotten by SEO if they use fake people or mechanical turcs. This m

I also believe that this is one of the potential benefit of G+. Though this can also easily be rotten by SEO if they use fake people or mechanical turcs. This may explain the effort to enforce identifying the real person behind an account. Facebook is going for it and google too. And this just to be able to throw bigger shovels of ads to us.