Might Google lower the rankings of a page in search results if it detects unusual patterns related to clicks on advertisements on that page, or might Google use a ranking algorithm that can be tested against such unusual click patterns to lower the rankings of pages in search results? A Google patent granted today is the first that I can recall seeing that suggests that information about clicks on ads might cause pages to be lowered in web search rankings or removed from search results altogether:
Once the document engine 146 determines the likelihood that an article is a manipulated article, the method 400 ends. The likelihood that an article is a manipulated article can be used in a variety of ways. For example, the information that an article is likely a manipulated article can be used to lower a ranking associated with that article such that the article will be displayed lower in a listing of search results or not displayed at all*.
Alternatively, the information that an article is likely a manipulated article can be used to test ranking algorithms.*