The exponential growth of the Internet is made navigable by search engines and directories. There are many different search engines available, and almost all are free to use, being supported by commercial banner ad displays. For a listing of some of the major search engines available see Search Engines and Directories .
Search engines bring utility to the world wide web.
You can search for anything , including medical references, professional organizations, companies, people, software, etc. The important thing to remember is that to be an effective searcher, you must put some thought into composing your query. The quotation marks help to narrow the response by searching for instances where high, protein and diet appear together. Refer to Tips for Better Searching for more suggestions to enhance your searches and prevent wading through endless irrelevant pages. It is important to note that the many search engines available have differences in their features and strengths.