Ethicsand blogging. When is a blog a sneak attack by unscrupulous admen? MediaPost Communications: "'For 18 years, we have worked very diligently to ensure that the entire PR industry and the video and audio providers within it, endorse full and complete disclosure. So a blog that does not clearly disclose its sources, violates so many of the tenants we've worked to create,' says Laurence Moskowitz, chairman, president and CEO of Medialink, a leading provider of VNRs for corporate marketers."