Do not trust robots … or mobile phones. Featuring Karsten Nohl, Berlin-based long time phone security researcher, this Veritasium episode is an easy introduction to the general public as to why you should question everything about your mobile devices.

(the issues outlined explain why some groups consider the use of alternate comms networks such as pagers, walkie talkies, meshtastic, etc)

Note for non-Googliness, the URL can work with invidious instances (such as yewtu.be) which may or may not be stable. just use the path /watch?v=wVyu7NB7W6Y