25 advanced search engines

OK, if you have the better part of a day to blow (cumulatively, of course), check out this post from the Online Education Database -- 25 search engines trying to harness advanced technology to dig deeper into searches or make them easier to understand. It's an oldie (February 2007) but a goodie that resurfaced on my radar thanks to Dave Dillard and his Net Gold site on Yahoo.

Bottom line: If you still are just using Google, you are soooo Web 1.0.