In the world of link exchange there are a number of ways in which to enhance your back links as well as increase your Page Rank and search engine visibility. One of the best ways is to have others link back to your site or blog because of a featured article or product that you sell. There are so called link farms which have a mixed review based on the techniques that are used. Google’s algorithms apparently give a higher weighting to those links that are embedded in a site as they are typically hand entered and they see this as a vote of confidence. At blog we just found focused on blogs they provide a great list of sites where you can obtain back links by just reviewing their sites. Check them out today and see which site may be of interest to you.