Rules of Netiquette
The word "etiquette" means "the forms required by good breeding or prescribed by authority to be required in social or official life." This link will take you to the WWW version of the book Netiquette by Virginia Shea, published by Albion Books.
Communication on the Internet can be an educational and enjoyable form of socialization. However, just like in the non-virtual world, exchanging information in online conversations like chat and email can be potentially dangerous.
This is a great resource for multiple needs: dictionary, thesaurus, Encyclopedia, language and grammar resources and much more.