Giovanni Riccioni:
The newspaper|03-XX| XX ways to communicate
Giovanni Riccioni:
The intercom |02-XX| XX ways to communicate
Giovanni Riccioni:
The letter |01-XX| XX ways to communicate
Giovanni Riccioni:
The mechanical telephone |04-XX| XX ways to communicate
Giovanni Riccioni:
The smartphone |05-XX| XX ways to communicate
Giovanni Riccioni:
The typewriter|06-XX| XX ways to communicate