The Challenge: search on any topic of interest to you, no matter how far-fetched. See if you can find a topic with no hits.
http://www.findspot.com/
A Central page for search engines. Includes the details on how to write your search terms to get the best hits.
http://www.savvysearch.com/
Savvy Search: search multiple search sites at once. Use the terms webcam,cam, or video; teaching, education, and so on. Click the "search more engines" link for even more hits.
http://www.beaucoup.com/
Beaucoup Seach: another multiple search engine sites. Search up to 10 engines at once.
http://www.google.com/
Google Search Engine: this is my default search engine. Very fast and thorough database. Offers other services.
