Originally Posted by Antonio

Nothing to do with scrapebox, I don't think he's talking about comments, but rather posts on a huge number of unrelated blogs (sites). Just saw another site on Page1 on Goolge ranking in the exact same way - blog posts with 100% readable content (in this case) on gazillion of blogs, some not even in English. At first I thought that these sites allow users to register their own accounts and publish guest posts, but on closer inspection, it doesn't look like they do.