Nowadays, DuckDuckGo is a lot bigger and they are writing a bunch of privacy articles on a website of their own. Here are two interesting articles, how to remove Google, and how Google limits people from the whole Internet by means of a “filter bubble” to show them only what they are “interested” in.
20190716/https://spreadprivacy.com/how-to-remove-google/
20190716/https://spreadprivacy.com/filter-bubble/