Every Mac since 2022 builds a graph of your relationships.

Apple documents the system in one man page and says nothing about its inference of kinship.

Two daemons cross-reference Contacts, Calendar, Photos, Messages, Mail and location into a store the researchers say language models query.

Apple’s own researchers published a paper on the graph-construction techniques in 2023.

The researchers say Apple has not documented which versions run it or exactly what it collects.

How each outlet framed it
Hacker News leans critical
reveals a knowledgeconstructiond daemon on macOS 26.6.2 that builds a relationship graph from Contacts, Messages and Photos, and quotes the man page to show how little Apple documents it

Sources: Hacker News