"Pay no attention to that man behind the curtain!" should have been a line left in The Wizard of Oz. Unfortunately, we face imposters every day in the media world, and it's not going to be as easy as walking down the yellow brick road to figure out how to put an end to astroturfing.
According to an article in The Guardian, "The anonymity of the web gives companies and governments golden opportunities to run astroturf operations: fake grassroots campaigns that create the impression that large numbers of people are demanding or opposing particular policies."
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