Countering

          Countering is another useful tool that Harris outlines and describes in his book. Similar to his idea of forwarding, which was presented as a method to expand conversations through individualized input, countering serves the purpose to respond to a piece of writing and "move a conversation to new directions." While both ideas attempt to redirect or explore new perspectives of a text, countering focuses more on a direct reader response and the formulation of an argument, whereas forwarding is all about infusing personal views into an already active conversation. Countering can be used to show an opposition to a text, or it can be used to show agreement. When used as a method of challenging a piece of writing, countering often tends to be more persuasive than the original text because of the fact that the countering argument points out weaknesses in the original. Countering is used by all sort of members in the media world, particularly those of bloggers. Because of the personal nature of blogs and the almost instantaneous response times, blogs serve as the perfect culture countering. When a blogger posts something politically charged or emotional, responders will often counter an argument in the comments section, fact-checking and exposing the author's argument.
http://www.nytimes.com/2013/02/03/opinion/sunday/dangerous-gun-myths.html?_r=1&
In this example of countering, the author of this piece counters the argument of Gayle Trotter, a right-wing politician who claims that an assault weapons ban will actually endanger women and children. The author of this piece looks to expose her argument by bringing to light studies that refute her claims. In the comments section of this article, we see even more countering being performed by the readers of this article, showing that countering serves as a method to continue conversation as well as produce argument.