Online book seller Amazon has taken down an ebook which dishes the dirt on its best seller ranking system.
The Day the Kindle Died, detailed a six-month investigative effort to document how it was possible to get into Amazon's best-seller list by faking reviews, promotes inaccurate sales ranking and bestseller lists.
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The book was penned by Thomas Hertog who told us that he came up with a cunning plan when he was trying to flog his financial advice book called Wealth Hazards.
