Sony’s venture capital arm has invested in what3words, the startup that has divided the entire world into 57 trillion 3-by-3 meter squares and assigned a three-word address to each one. Financial details were not disclosed. The startup’s novel addressing system isn’t the whole story. The ability to integrate what3words into voice assistants is what has piqued the interest and investment from Sony and others. “what3words have solved the considerable problem of entering a precise location into a machine by voice.