Can Google distinguish between paid links and natural ones? Matt Cutts tells they can and I believe him: At the point where people are recommending ways to make paid links less detectable (e.g. by removing any labels or indication that the links are sold), I wouldn’t be surprised if search engines begin to take stronger [...]

SearchEngineWatch published the print ads Google used to reach consumers in Kansas City. Take a look at them and pay attention how targeted they are.

If your site is dropped in/from search results, it can be difficult to find the reason. Webmasters report that using a second-hand IP can be dangerous. Some hosts forget to remove the DNS for the old domain and your site is indexed by Google under another domain name. Read the "Not the Best NEWS" post [...]