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Interesting read from +Dixon Jones about Google+ and some information povided by +Pierre Far,

Given the comment "A +1 button can override Robots.txt, on the basis that it is a stronger signal than Robots.txt." I was wondering if there was any chance Pierre might be willing to comment on whether this only applies to a physical +1 button being on the page or if this was indeed true of the official +1 Chrome Extension as well?
Notes taken from a presentation with Pierre Far at Thinkvisibility 2012 on some crawling issues that face Google and how they may affect your own SEO efforts.
Dixon Jones's profile photoSamuel Crocker's profile photoAshley Lindley's profile photo
Thanks Dixon (and Pierre) will have a look through that again and see if that answers my question :)
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