The authors of ARPANET’s Completion Report in 1978 wrote:
“The largest single surprise of the ARPANET program has been the incredible popularity and success of network mail.
There is little doubt that the techniques of network mail developed in connection with the ARPANET program are going to sweep the country and drastically change the techniques used for intercommunication in the public and private sectors.”
Last year, 100 trillion emails were sent. That is over 10,000 for every person on the planet. And while 90 percent were viruses and SPAM, that is still an amazing number.