Used duckduckgo since its inception.
Compared to MS, Google it has many advantages.
Worked with technology for 40 years and know the marketing meetings, large corporates undertake to hook the public.
For example before 3G worked all attention was made to ensure smart phones would be addictave... because mobile coverage was already saturated. The IT world is the most irresponsible and conceited one you will encounter.So every individual has to ensure they are not conned.