The PayPerPost business model definitely provides a useful service for companies and website owners who want to advertise on blogs to build a buzz about their product or service. PPP initially generated some controversy when their advertising concept was first introduced in 2006. The exposure they generated only grew their blogger base as well making advertisers aware that a new marketing stream was available. PayPerPost acts as a middleman for advertisers who pay a fee to get exposure on popular blogs. Further proof that blogs are now a mainstream internet industry staple and no longer secret personal diaries of online thoughts and opinionated rants.
A large company seeking exposure can to put their ad or message instantly on hundreds of blogs that have potential readership in the millions. This will generate instant feedback based on a variety of peer to peer reviews, now thats ad expense well spent.