Wi-Fi
Wi-Fi, short for Wireless Fidelity, is a wireless networking technology that allows devices to connect to a local area network (LAN) wirelessly, typically using radio waves.
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Wi-FiSkype Comes To iPhone, BlackBerrySkype Comes To iPhone, BlackBerry
The VoIP service will only work over Wi-Fi, but it will enable free Skype-to-Skype calls and cheaper international calls to landlines.
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