Guardian Unlimited: The seven wonders of the web
1. Google (http://www.google.com/)
2. Yahoo (http://www.yahoo.com/)
3. Project Gutenberg (http://promo.net/pg/)
4. Multimap (http://www.multimap.com/)
5. Ebay (http://www.ebay.com/)
6. Amazon (http://www.amazon.com/)
7. Blogger (http://www.Blogger.com/)