These days almost every 1 out of 5 professional blog is offering guest posting and to automate the process most of them allow registration for everyone and one can submit post for review. Though this also created a problem for such blogs as spammers are using automated way to register and submit posts for review. In fact 2 weeks back I had almost 300+ registration in 48 hrs. at ShoutMeloud and almost 70 spam posts ...
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