As you know Google is a global company, and our personal data can travel around the world without us noticing. The typology of data that Google is very heterogeneous and ranges from which you voluntarily provide to register in any of your applications, to those who are collected without making the user aware of that. Among these recent preference of consumption, places or frequently visited pages, carried out searches, telephone data, device data and programs used in the query and in the device or computer, IP address, even of geolocation data through the use of mobile phones with GPS and triangulation. Google will use this data to provide, maintain, protect and improve its services, as well as the offer of customized content, and may transfer this data to other users if we have so indicated. To change the preferences in terms of permissions and using these data offers a control panel where you be able to change them, something that almost nobody does. As a conclusion, the interaction between the various programmes and Google apps, as well as the collection of our data makes that company can create a comprehensive profile of our personality, and customs, and can locate a user the length and breadth of the planet at all times.