I've mentioned this elsewhere, but already in current versions of MacOS and iOS Apple is indexing and analyzing and combining data locally on devices like crazy, it's a huge increase from what plain-old Spotlight was doing.
BiomeAgent, biomesync. photoanalysisd, mediaanalysisd, IntelligencePlatformd, knowledgeAgent and more have been working away in the background to help populate devices with personal data even before the OSs arrive.
BiomeAgent, biomesync. photoanalysisd, mediaanalysisd, IntelligencePlatformd, knowledgeAgent and more have been working away in the background to help populate devices with personal data even before the OSs arrive.