Interesting, but as with many such history lessons, what one considers the origin of a given technology depends a lot on where one was at the time. For email,

Interesting, but as with many such history lessons, what one considers the origin of a given technology depends a lot on where one was at the time. For email, I still consider https://archive.computerhistory.org/resources/access/text/2022/08/102806104-05-01-acc.pdf https://archive.computerhistory.org/resources/access/text/20... the most complete overview.