Thanks, CrankyDave! I understand clearly now and will delete the email.

As you suggested, I usually link only to related sites that are of interest or useful to my visitors. When I come across techniques folks use to try to improve rankings, I like to try to understand what they're trying to do, mainly out of curiosity. It never ceases to amaze me what people do to try to game a system, whether it's SE rankings, financial markets, gambling, etc.

All the best in the new year, Dave!

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Peter Drew
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