Google says geofence warrants make up one-quarter of all US demands - https://news.ycombinator.com/item?id=28266650 - Aug 2021 (259 comments)

New Federal Court Rulings Find Geofence Warrants Unconstitutional - https://news.ycombinator.com/item?id=24342049 - Sept 2020 (29 comments)

Google Gives Feds 1,500 Phone Locations in Unprecedented ‘Geofence’ Search - https://news.ycombinator.com/item?id=21773543 - Dec 2019 (269 comments)