Phone tracing and our right to real privacy

In her recent science-fiction novel “The Old Drift,” the Zambian writer Namwali Serpell imagines a surveillance future for her country in which the government installs free, compulsory Wi-Fi for all citizens — embedded in ball bearings medically injected into Zambians’ hands.
This makes Web access superb wherever a person might go. Nice, right? Of course that same government uses the beads to monitor every move those citizens make.
This near future posited by Serpell &mda