Z:gnu-www-ja-who-does-that-server-really-serve--e0dca5-For instance, some proprietary/en

For instance, some proprietary programs are &ldquo;spyware&rdquo;: the program  sends out data about users' computing activities. Microsoft Windows sends information about users' activities to Microsoft. Windows Media Player reports what each user watches or listens to. The Amazon Kindle reports which pages of which books the user looks at, and when. Angry Birds reports the user's geolocation history.