O meio é a mensagem

Their findings, presented last November at the 170th Meeting of the Acoustical Society of America (ASA), claimed that the variations among the dialects exhibited a phenomenon previously only seen in birdcalls and other animal noises—acoustic adaptation. Put simply, acoustic adaptation maintains that the land where a language is born is also instrumental to how it evolves.
— http://nautil.us/blog/how-a-countrys-land-shapes-its-language