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Tell a little about yourself and your
philosophy of teaching.
If you're looking for a broad, common topic, such as how to buy
a personal computer, use a search engine that tends to give you
fewer results of higher quality (usually the type that relies on
people to catalog sites), such as Yahoo!
If you're looking for a rare topic, such as
19th-century Hungarian authors, use a site that may be less
discriminating but yields more results and blah, blah, blah.
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