DuckDuckGo
A search engine that was founded September 28, 2008. It is often praised for its heavy focus on user privacy and a lack of filter bubbles (search personalization). DuckDuckGo relies on more than 400 sources to serve its search results, including vertical search engines, its own crawler, DuckDuckBot, Bing, and Yandex. In 2016, 4 billion searches were conducted on DuckDuckGo.