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Thank you for the share! Now the challenge will not be “could it be possible to scale up to million people” but “how this solutions could cost for each family”. Because as always, it’s nice to have ideas, meanwhile if people can’t afford, it will just benefit for ecolo-rich people…
In the world of 21st century, accessibility to all (houses, health, energy, quality of life) will be the key for reducing the gap between those that can afford and those that cannot.