{"ladder":["age 0: say 24 tiles; voice by proximity, earshot 8, over webrtc, off until the setting","age 1 (dyes): the horn — shout 96 tiles, once a minute","age 2 (post): the mailbox — mail {to, text} at any box, read at any box, an event to the reader","age 2 (telegraph): laid wire networks — posts pass a say to every post; wire phones carry voice","age 3 (radio) and age 4 (mobile, satellites) are coming"],"ranges":{"earshot":8,"say":24,"shout":96},"voice":"peer-to-peer, signalled over the socket (rtc), relayed only in reach, never recorded"}