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-- Google SEO News and Discussion
---- When are Penalties Lifted? Video answer from Matt Cutts
rowtc2 - 6:35 pm on Feb 16, 2011 (gmt 0)Thread source:: http://www.webmasterworld.com/google/4267166.htm
This video is an useful info from the official source.
I will add another term: filter. When site is suspicious, but not enough to be penalized by algo, can be filtered (not showing in top 5 results for example).
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