Source: www.domainnews.com The previous articles in this series can be read by clicking on the following links:Part 1 - Domain Industry and Valuations (http://www.whizzbangsblog.com/index.php/20080728452/MyBlog/Domain-Industry-and-Valuations-Part-1.html) Part 2 - The domain bubble (http://www.whizzbangsblog.com/index.php/20080818456/MyBlog/Part-2-The-domain-bubble.html) Part 3 - What caused the domain bubble? (http://www.whizzbangsblog.com/index.php/20080915460/MyBlog/Part-3-What-caused-the-bubble.html) Part 5 - Domain values and opportunities (http://www.whizzbangsblog.com/index.php/20080924468/MyBlog/Part-5-domain-values-and-opportunities.html) Part 6 - The Pressures on PPC (http://www.whizzbangsblog.com/index.php/20081003470/MyBlog/Part-6-the-pressures-on-PPC.html)