disadvantage of blog network service ????

Discussion in 'Black Hat SEO' started by bleach, Oct 1, 2010.

  1. bleach

    bleach Senior Member

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    I want to ask disadvantage of blog network service .
    example: 300 blogpost from 300 blogs different class ip with spun article (3 outbound links)

    there are many posts from another people that also buy this service.