Un buen artículo del CEO de #duckduckgo en un medio de bastante difusión
!privacidad !privacy
(...) As a result, these two companies have amassed huge data profiles on each person, which can include your interests, purchases, search, browsing and location history, and much more. They then make your sensitive data profile available for invasive targeted advertising that can follow you around the Internet.

(...) Google and Facebook also use your data as input for increasingly sophisticated AI algorithms that put you in a filter bubble — an alternate digital universe that controls what you see in their products, based on what their algorithms think you are most likely to click on.

https://quitter.es/url/1480565