Other
Wi Fi Alliance: Knowledge Center
The Wi-Fi Alliance was formed in 1999 by several industry leaders with the goal of promoting a global standard for high speed wireless networks. The Knowledge Center area of their website is searchable and includes a glossary of Wi-Fi...
Wikimedia
Wikipedia: Wi Fi
Provides a complete overview of WiFi technology. Includes history, uses, advantages and disadvantages, and security issues. Also gives the REAL origin and meaning of the term "WiFi"!