Some questions: Did the Jagger update fix this 'loophole'? How effective are 'reinsertion requests' to fixing this issue?
Google Bowling: How Competitors Can Sabotage You
Have you heard about the latest "sport" in dirty online business?
It's called Google Bowling and it represents a gaping flaw in Google's system that allows your competitors to sabotage your site to the point of getting it banned or penalized.
This can't happen, right? I mean, Google would have us believe their algorithms are not easily manipulated and that your rankings are safely under your (and their) control. But in fact there's a chink in Google's armor that can have massive consequences for any web business unfortunate enough to have aggressive and unethical competitors.
Here's the loophole, explained
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http://www.searchengineguide.com/ped.../1024_mp1.html