February 16, 2015
It seems surprising that Google can know more about our personal lives and interests – even those secrets that you keep in your history – than our own partner or friends. And the worst thing is that, many times, we forget all this information is stored, forever, in a centralized place.
Google uses a lot of methods to learn about you. There are the things you tell it yourself when you search through Chrome, when you send emails through Gmail, when you capture your phone number on Android, when you provide your current location to use Google Maps, etc. And the more he knows about you, the more data he has to make you an ideal potential customer and offer you to an advertiser.
The points detailed below give an idea of the information that Google has about you and how it was obtained.
via What Does Google Know About You.
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