Many bloggers and their organizations separate their editorial efforts from any economic pressures involving advertisers or those they cover.
But in some instances bloggers are accepting investments in their operations and writing about those benefactors without much identifying or avoiding the conflicts involved.
In some instances bloggers are soliciting investments to create their own venture funds and writing for presumably large audiences about the companies they feature --- likely positively, and almost assuredly not before they parlay their insider knowledge into greater wealth.
The articles in the Los Angeles Times and on The Daily Beast acknowledge that blogging isn't necessarily journalism and that many bloggers are now the 21st century equivalent of the public relations firm. But both are clear that there are conflicts galore in this new trend.