WIA (Windows Image Acquisition) is an API developed by Microsoft and first implemented in Windows Me. It allows seemless communication between image acquisition applications and digital imaging devices (such as digital still cameras, scanners and DV camcorders). Similar to TWAIN but without the hassle of particular drivers, best of all there's a TWAIN DSM which enables any WIA device to appear as a TWAIN device to TWAIN compatible software. WIA as it will ship in Windows ME already supports over 100 devices.