New terms and variations emerge rapidly. We refer to "Wired Style, Principles of English Usage in the Digital Age," from the editors of Wired as our guide. http://hotwired.lycos.com/hardwired/wiredstyle/

Frequently Used E-terms
b-boards
dial up (verb)
dialup (adjective) account
dot.com
email (no hyphen)
high tech (no hyphen)
Internet (cap "I")
log off (verb) logoff (noun)
log on (verb) logon (noun)
multimedia (one word, no hyphen)
Net (cap "N," no apostrophe)
offline (one word, no hyphen)
online (one word, no hyphen)
Web site (two words, cap "W")

Web Words
Although references to the Web itself use a cap W, these Web-based words use a lower case w.

webmaster, webmeister: The creator of a site
webonomics: The laws governing the Bit-based economy of the Web and defining relationships between consumers, publishers and advertisers
webster: A denizen of the World Wide Web
webzine: Media of the Web and for the Web

Common Acronyms
CC - carbon copy (bcc - blind carbon copy)
CD - compact disc (plural CDs)
dpi - dots per inch (lower case, never spelled out)
FAQ - frequently asked question
FPS - frames per second
FTP - file transfer protocol
GIF - graphic interchange format
GUI - graphical user interface (plural GUIs)
HTML - hypertext markup language
IP - Internet protocol
ISP - Internet service provider
JPEG - joint photographic experts group
LAN - local area network
OOP - object-oriented programming
RAM - random access memory
ROM - read-only memory
RSI - repetitive strain injury
TCP/IP - transmission control protocol/Internet protocol
TIFF - tagged image file format
WAN - wide area network