"As any product gains in popularity, especially if it's seen as dominant, you tend to see more and more news about alternatives that inevitably get dubbed "killers." The news media and the product's competitors are continually trying to best the dominant solution and predict a product's demise. We can see this clearly with the iPhone and, as Seth Gottlieb pointed out, "who isn't working on a SharePoint killer?" But in many cases, these "killers" are only hopefuls with virtually no evidence they could harm a fly."
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