[Quix]

I assume that people growing up in Russia, like people growing up in China

have more than sufficient knowledge to use strictly trusted relatives and friends hand carrying or memorizing things to pass person to person on rampant travels.

[Poohbah]

I assume that people growing up in Russia, like people growing up in China have more than sufficient knowledge to use strictly trusted relatives and friends hand carrying or memorizing things to pass person to person on rampant travels.

But that's a low-bandwidth communication system. Lunev apparently has a very open communication network with folks all across Russia.