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Wifi

Photo: NY-P / Shutterstock.com
Photo: NY-P / Shutterstock.com (Shutterstock)

Guess what: Wifi isn’t short for wireless fidelity, even though the name was based on hi-fi, which stands for high fidelity. It actually isn’t short for anything at all. Wifi is the proper name, and Wi-Fi is a registered trademark of the Wi-Fi Alliance, an tech industry trade group.