As long as the articles that are ads are clearly identified as such, and not in print so tiny that the reader would not know whether the article was paid for by a sponsor or objectively written by a journalist who works for the publication.

FORBES: Journalism: Money vs. Merit

Police have said they are going door-to-door in Watertown due to what they describe as a "fluid situation", warning residents not to open their doors to anyone other than a clearly identified police officer.

BBC: Major police operation in Boston area after shooting

The reverse head-and-shoulders bottom formation has several well-identified characteristics that allow the investor to clearly determine not only the entry point, but also the stop and profit target.

FORBES: The Dominant Chart Pattern of Early 2012