A privacy topic to consider:

“The Biden Administration shut down DHS’s location data purchases after an inspector general found that DHS had broken the law. Every American should be concerned that Trump's hand-picked security force is once again buying and using location data without a warrant,” Senator Ron Wyden told 404 Media in a statement.

https://www.404media.co/ice-to-buy-tool-that-tracks-locations-of-hundreds-of-millions-of-phones-every-day/

To get around paywall:

https://archive.ph/WFsNN