If you can't find anything that answers your question, seek help by contacting experts in the field, or by joining a mailing list or discussion group on the topic. There are three primary ways of searching the Internet for documents and webpages, although the distinctions between them are often blurred. AltaVista, HotBot, Google. InFind, SavvySearch, Metacrawler. Also known as directories .
Some gateways are general and cover material on as many subjects as possible.
Yahoo, LookSmart, Snap. Others are specifically designed to cover a particular subject area in depth, or specialise in academic information. Many of these are listed on the INT1020 Subject Resources page. These are all described more fully on the following pages. A computer program is constantly searching the Web.