Online reviews are one of the most influential information sources for modern consumer decision making. Containing descriptions of other consumers' consumption experiences, they provide a glimpse into the potential advantages and disadvantages of products and services. While most consumers routinely read online reviews to inform their purchase decisions, the number of consumers who actively post reviews is astonishingly small.

Question

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This phenomenon is known as the "90-9-1 rule" or "1% rule" in internet culture, where it's observed that in most online communities, 90% of users are lurkers who never contribute, 9% contribute a little, and 1% of users account for almost all the action, including posting reviews.

Online Reviews Are One of the Most Influential Information Sources