Ion's Air Copy has just stepped into the wireless mobile scanner arena, and it brings support for slinging scanned documents and photos as big as size A4 to Android, iOS, Windows 8 and OS X devices via WiFi. Once documents are scanned, they're saved as high resolution 300 DPI JPEG files to the connected hardware. A free app available for the gadget gives users a real-time preview of what's being scanned. There's no word on pricing or availa