Summary

The Supreme Court ruled 6-3 that geofence warrants — which compel Google to hand over location data for all phones near a specific place and time — constitute a 'search' under the Fourth Amendment, sending the Virginia bank robbery case back to lower courts to assess reasonableness. Gruber endorses the ruling but focuses on the technical backstory: Google's 'Location History' feature stored unencrypted cloud-side location data that made such fishing expeditions legally and technically possible. He addresses the pervasive but mistaken belief that phones track and record everything, arguing this misconception persists because correct explanations of targeted advertising are too complex to displace it. Google changed its storage model in December 2023 to on-device, end-to-end encrypted location data, rendering geofence warrants largely moot going forward. The key point Gruber lands on: Apple never collected aggregate location data in the first place and thus was never susceptible to geofence warrants at all.

Key Insight

The geofence warrant ruling matters as legal precedent, but the real story is that Apple's privacy-by-design approach made it immune to these warrants from the start, while Google's past surveillance overreach created the problem that both a Supreme Court ruling and its own 2023 policy change are now cleaning up.

Spicy Quotes (click to share)

• 5

  It's remarkable — and regrettable — that Google had this geofence information in the first place.

• 7

  Incorrect explanations that people understand resonate and take hold and become entrenched beliefs; correct explanations that people don't understand are dismissed and are not believed. (Exhibit A: evolution.)

• 4

  Chatrie v. United States is not a particularly celebrated case, but this will only contribute to the entrenching of superstitious incorrect conspiracy theories about the data that 'they' — big tech companies — collect about us.

• 2

  This is why it is such a precious gift to be able to explain complex technical and scientific subject matter in ways that many people can understand.

• 5

  But Google no longer collects this information in a way that is susceptible to geofence warrants, and, more importantly, Apple never did.

• 3

  Apple has never held data tracking your location, and while Google did, they no longer do.

• 4

  An individual has a reasonable expectation of privacy in records about his cell phone's location, and police intrude on that constitutionally protected interest when they demand the information — even though for only a limited time, and from a third-party tech company.

Tone

opinionated, analytical, technically-minded