First of all its not black hat technique. Its grey hat technique.
Its good if done right otherwise its not.
If you can make your blog network so private that no one will know of it then its okay. But there's most people fail. When somebody creates successfully a network, he or she wants to monetize it and that's where they gets caught.
Its good if done right otherwise its not.
If you can make your blog network so private that no one will know of it then its okay. But there's most people fail. When somebody creates successfully a network, he or she wants to monetize it and that's where they gets caught.
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