Computer History Museum: “This timeline reflects the history of computer-mediated human communications (any human communication that occurs through the use of two or more electronic devices), the events that led up to the development of electronic mail (email), and its commercialization. It is intended for use by researchers and academics interested in the technical evolution of email from its beginning through email as we know it at the time this was written (2021). It is comprised of: Seminal Events (table of contents) p. i- iv; Introduction p. 1-2; Setting the Stage (through 1962) p. 3-8; Computer_Computer Specific Email and the Advent of Networking (1963-1971) p. 8- 20; Growth of Network-Based Email (1972-mid 1975) p.20-35; Email Spreads Like Wildfire (Mid 1975-1977) p. 35-48; Email Goes Commercial (1978-1979) p. 48-61; Email and the Internet (1980-1985) p. 62-74; Email and the Internet (1986-2021) p. 74-96; Definitions and Glossary of Acronyms p. 98-104.”