What is the wireless-communications revolution about?
(Отметьте один правильный вариант ответа.)
Варианты ответа
It was about certifying the origins and distribution of food and the authenticity of medicines.
It was about information--digitizing documents, photographs and records so that they could more easily be manipulated.
It was about measuring temperature and humidity and controlling irrigation systems.
It was about making digital information about anything available anywhere at almost no cost.(Верный ответ)