Although it wasn't announced alongside the plethora of other features during the Ice Cream Sandwich event, Wi-Fi Direct may prove to be one of the more important and revolutionary features of the new OS. In the old days Bluetooth was the standard method of device to device data transfer, but now with Ice Cream Sandwich we are given Wi-Fi Direct and Android Beam. The latter uses NFC to transfer links, media, and other data, while the former is an interesting implementation of the wireless standard which creates ad-hoc networks between compatible devices.
Wi-Fi Direct works by letting users connect directly to nearby devices over Wi-Fi, without any tethering or data connectivity required.







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