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[edited by: Sgt_Kickaxe at 4:30 am (utc) on Sep 13, 2011]
[edited by: tedster at 4:31 am (utc) on Sep 13, 2011]
these citations on Twitter, for instance, has a very short shelf life.
I wasn't disagreeing with you either, just pointing out that nofollow and/or redirect no longer voids the link of any vote or value.
a "no spam signature" component as well
You could be correct that ebay and amazon are trending upward in ranking. But I'm having doubts. Do you have a definitive source for this?
Then there is the whole astore thing - people setting up astores and then backlinking them to rank in them in the serps.