A Pew Internet and American Life Project Survey throws light upon the difference between the perception of how a social network works and how it really works and may help explain many of the complaints regarding the ineffectiveness of social media marketing businesses frequently complain about.

The study identified the fact that a significant percentage of perceived social network activity is driven by a relatively small proportion of power users who then skew perception in the way the social network really operates.

By David Amerland as seen in Social Media Today