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* Windows Image Acquisition: Windows Me introduced the Windows Image Acquisition API for a standardized method of allowing Windows applications to transparently and more easily communicate with image acquisition devices, such as digital cameras and scanners.

WIA intended to improve the configuration and the user interface for interacting with scanners and such devices, ( which were previously supported by the TWAIN standard ) and simplify writing device drivers for developers.

WIA also includes support for USB still image capture device classes such as scanners and cameras through the Picture Transfer Protocol.