Seems like a really slow, cumbersome technique to monitor people.
On the contrary, this is evil genius. Once the rumour spread that happens, people stop communicating about the war.
At the human level there are probably plenty of low-tech techniques to keep yourself safe like deleting messages or using coded language.
99.9% of the population wont take any risks (e.g. even receiving text messages about the war). They will closely monitor their phone and block anybody who dont do the same.
On the contrary, this is evil genius. Once the rumour spread that happens, people stop communicating about the war.
At the human level there are probably plenty of low-tech techniques to keep yourself safe like deleting messages or using coded language.
99.9% of the population wont take any risks (e.g. even receiving text messages about the war). They will closely monitor their phone and block anybody who dont do the same.