Ukrainians turned to encrypted messaging app Signal as Russians invaded
mashable.com
mashable.com
No mentions of Briar, Tox, Wickr, Wire, XMPP+OMEMO, irc+tor etc which don't require you to link your account with phone number?
Or failure-resilient mesh networking over p2p links like Babeld, cjdns, B.A.T.M.A.N+OpenWRT etc. in the absence of reliable external internet connectivity.
The balkans and eastern europe have a long and rich history of p2p internet & sneakernets, which sadly may have slowly been forgotten as everybody becomes locked into App-ified walled gardens of internet-dependent consumer trash.
There is a lot of news about Signal, but it's simply not here. And yes, if I have to replace it, I'll go with something that does not require a phone number. Mobile networks might go down.
Not strictly true, but, technically true I guess.