Windows 7 has a new system-wide service that will offer very easily accessible geographical location services for all devices and programs. In previous versions of Windows, users didn’t have a way to turn geolocation services on or off, since the hardware was accessed on an application by application basis. Once you turn the service on, there’s no way to limit access to specific programs: Anything that you launch will be able to access the GPS information without even warning you. Microsoft program manager Alec Berntson admitted that this is problematic, because it opens the door for spoofing programs that could use this information mischievously.”]
Source: https://gizmodo.com/windows-7s-new-geolocation-service-introduces-privacy-p-5082276