A new location and addressing system gives every 9 square metres of the earth a physical address using a combination of just 3 words. In Mongolia the post office has even started using this system to deliver the mail! According to the startup behind it, about 4 billion people around the world have no physical address. And without an address it's difficult and sometimes even impossible to open a bank account, deal with hospitals or government departments, let alone order anything online. We speak to Chris Sheldrick the CEO of What3Words.
