1. Netiquette

2. Netiquette definition
Netiquette is a set of social conventions that facilitate interaction over networks
short for "network etiquette" or "Internet etiquette“

3. 10 Rules of netiquette 1.Spell check & proof read messages
2.Do not write in "all caps"
3.Tell the truth in your profiles
4.Be yourself on the internet
5.Do not flame or respond

4. 10 Rules of netiquette 6.Stay away from spam and graymail
7.Be conservative in you send
8.Do not send late at night
9.Shop on secure sites
10.Use discretion when sharing

5. Resources http://www.networketiquette.net/