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Aristotle, I saw a statistic somewhere a little while back saying that of all the links on the web there are something like 1.7% having the rel=nofollow attached to them - goes to suggest users are not posting *lots* of links in public which are outside of the social network they are using.
[edited by: tedster at 1:58 am (utc) on Apr 18, 2010]
[edit reason] I added a quote box [/edit]
Social network is a future for Internet
as we all already witnessed that Google placing new twits from twitter pages results on first page.
That's mysterious enough - what is reason suggesting to you?