Question

which search engine does not track users? choose the answer. google yahoo! duckduckgo bing

Explanation:

DuckDuckGo is known for its privacy - focused approach. It does not track users' search history, IP addresses, or other personal information in the way that Google, Yahoo, and Bing (which are more integrated with larger corporate ecosystems that may use user data for various purposes like targeted advertising) do.

Answer:

C. DuckDuckGo