by PLR Mammoth Image by marketingfacts via Flickr Many internet marketers use Private Label Rights (PLR) products to create contents, sell, or give away to collect leads. PLR is widely used to save time on creating original contents. However, search engines have a problem with duplicate content. And if you have duplicate content you may be penalized by various search engines like Google. Here are some ways you can enhance and modify PLR content for use on your website and other promotion...