http://netvouz.com/irulsastra/tag/historical?feed=rss irulsastra's bookmarks tagged "historical" on Netvouz http://searchenginewatch.com/showPage.html?page=2156221 Summary of the major search engines summarized, with historical background and reasons why each is important to webmasters or users. For Seo irulsastra Sun, 23 Mar 2008 16:44:00 GMT