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If an individual just a personal page and simply want to position for low competition keywords, 20 or 30 backlinks should adequate. But if you are in business that has some associated with competition, a few backlinks will not help you too much. You either need create a huge chunk of links or keep adding links on the regular basis. Simply put they are links reaching your site from another quality, highly ranked place. A fantastic example of this is article advertising campaigns. When you post article content on some the best, highly ranked websites such as E