About point 2: in my neighborhood there's half a dozen kids, all aged 5-8, all communicating constantly during weekends using cheap, loud FRS walkie talkies som

About point 2: in my neighborhood there's half a dozen kids, all aged 5-8, all communicating constantly during weekends using cheap, loud FRS walkie talkies some parent bought in a 10-pack off Amazon. My point being that even without internet, or even without knowing how to type and barely able to read, social networks just pop into existence.