How to remove the "hole" in Yandex

There is such a problem that sooner or later, methods of website promotion “for free” emerge. Having understood the “hole”, for example in Yandex, a narrow circle of people begins to promote websites very quickly and cheaply. Collect traffic, take away traffic from other uncles.

What to do? How to remove the problem?

Very simple!
Let's light a hole on the whole RuNet, so that everyone knows the methods, the ways. What will it give? - Yandex will have to very quickly close the existing hole.
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www.habrahabr.ru/blog/searchengines/9418.html