"Pro-government outlet Moscow-24 reported a surge in demand for alternative communication devices, including pagers, walkie-talkies, and landline phones. Sales of printed atlases and travel guides have also increased. Purchases reportedly rose by 48% compared with the previous week."
https://kyivindependent.com/moscow-citizens-turn-to-pagers-printed-maps/

Digital is incredibly fragile. When collapse comes, the first thing to collapse will be digital architecture. We need to plan to have communication options that are not dependent on digital