Παρακολουθεί κανείς Έλληνας δημοσιογράφος / διαφημιστής το #GEN2012; "CPM online ads will fall to 0, paywalls only suitable for 1% of media"
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Παρακολουθεί κανείς Έλληνας δημοσιογράφος / διαφημιστής το #GEN2012; "CPM online ads will fall to 0, paywalls only suitable for 1% of media"