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Hi, Sorry if this question appears a bit confused, but here goes ... My understanding is that the Google ranking algolrithm has three aspects: Content Links Social Activity (Tweets, FB shares etc) I recognise that I can increase my PR by posting comments on highly ranked pages that allow 'follow' links. I get that! After investigating Google+ I see I can tie together: The content I contribute to (e.g. my website, my blog) My social networking activity (My Twitter activity, my FB fanpage, Google+ activity) Suddenly Google has a view not just of my content, but also my social influence, almost like a Klout score. It also means they have the potential to build a matrix of other content producers & social media commentators. Therefore, can I gain what I'm calling 'Social Juice' (which would influence the ranking of my content) by: Getting highly ranked social media commenters to interact/comment on any of my content/social engagement By commenting on highly ranked content producers regardless of whether that comment contains a link back to my content. So for point 2, perhaps a prominent expert in my field has a blog that allows me to leave a comment via a Twitter login, but I can't leave a link back to my website (no link juice), however because Google+ knows the comment is attributed to me (as my accounts are linked in Google+) I get 'social juice'. The idea being if I'm permitted to interact with an expert in my field, then I too must have some credibility. (Perhaps that not quite accurate, because I could engaged in an argument with said expert, so perhaps it is more like Klout's idea of influencing people) If there is logic in point 2, then what might be the best way to 'login' to leave comments on something like a Disqus comment based system so that Google might gain access to this 'social jiuce'. I guess the best way would be to leave a comment via a Google+ account, but that doesn't seem to be option in lot of cases. Big post, I hope its relevant and makes sense.