Exchanging links with other sites is a promising way to increase your Google PageRank and to draw visitors to your site. Good incoming links have a positive effect on your search engine rankings and they also bring targeted visitors to your website. But how many potential link partners are there, and what is a realistic goal for your linking campaigns? How many link partners should you have?
Original Source: http://www.free-seo-news.com/newsletter104.htm#facts
