The line between journalism and public relations can be fuzzy, and news organizations have wrestled with that problem for some time. However, that line recently has become more blurred than ever, with some publications enlisting armies of nonprofessional scribes to satisfy an insatiable appetite for content. It's easy to understand why the problem has mushroomed. Demand for copy has gone up. The number of people to produce it and the revenue it generates have gone down. The result has been the rise of dubious business models.