What is Opinion Leader

Consumer-to-consumer communications in online environments are of a vital importance to the consumer decision-making process. This process consists of five phases, each affected by eWOM communications deeply from the stimulation to the post-purchase behavior. Among all other factors having an impact on this process, the impact of eWOM has a distinguished role. As the technology grows and the consumers use internet and the reviews via internet, they become more and more attached to these reviews to make a purchase decision. In this chapter, the authors make a comprehensive explanation about the consumer decision-making process and explain the relationship of the decision-making phases with eWOM communications.