Il diagramma mostra come variano gli strumenti di comunicazione dal 1800 al 2020. E' riportato nell'interessante studio "Where is everyone?"

In this article, we are going to take a little tour through the history of information, or more specifically, where to focus your efforts if you want get in touch with other people. It is a really exciting time, because we are currently in the middle of the most drastic change since the invention of the newspaper.