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WiFi is the nickname for Wireless Fidelity - high speed internet and network connection without the use of wires, cables and other stuff you can trip over.
Updated: Feb 28, 2013. WiFi, or âWireless Fidelityâ, is a descriptive acronym for describing the use and implementation of 802.11 wireless local area networking protocols (WLAN). There are several main types of 802.11 (as defined by the Institute of electrical and electronics engineers) standards, also known as A/B/G/N networking protocols.