[pacamara619]

A newer term being heard more often is "Datensparsamkeit". Id est only saving the absolutely necessary amount of data such that extensive surveillance and data abuse isn't possible.

[tleb_]

This seems to refer to the concept of "data minimisation", that can be seen as an important concept in the GDPR. See article 5 § 1.c https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CEL...