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23 days agoAs the other comments stated, it can be as simple as turning the light on and off and we already do this with fiber optic network connections. The light particles themselves aren’t carrying the data, just the pattern of on and off.
It is also possible to send multiple streams of light using color filters. It’s called Wavelength Division Multiplexing.
Accounts are limited to 35 nodes in one instance of the map, with a hard cap at 50 for one day.
The “Return to…” achievements for Lake Doric will provide 250 iirc.