Google has announced a policy change with far-reaching consequences for the use of Android. As of March 1, the search giant's terms of use more than sixty of its services like Gmail, Google Calendar and YouTube combined into one comprehensive document. This also means that the user data may be used for all services. The new "privacy policy" lacks the ability for you to sign this off.
By combining the user data of the various Google services, the search giant better able to provide information. For example, you may be awakened when it appears that Google Calendar is an important meeting as you according to your GPS location even in bed. Also, Google ads you better tune. The data on your Android phone are part of the user data for other Google services can be used.
Google has also made a video for the new privacy words to explain. The objective would be to Google's more obvious to the end user to provide. Many Google users react surprises in the absence of the opt-out option. It would be contrary to Google's corporate motto: "Do not be evil".