CommonCraft.com is a unique website which explains the web technology using short video clips  in easy to understand layman terms.

Web search strategies in plain English is one such short video designed to help you get more from your web searches. This video is licensed for non-commercial use. Watch the video and understand how to do a clever search for the term you are looking.

http://www.youtube.com/watch?v=CWHPf00Jkqg