Why is your Privacy & Data so Important? | Dhruv Rathee explains Cambridge Analytica etc.
Youtube Video

==> Presearch values privacy!
When using Presearch, search terms are NOT recorded, only WHEN (date/time) a search is completed and a search reward is paid. If a user does not wish to be compensated or to save their preferences, they can OPT OUT and just use the engine anonymously.