trav By travayis 1971 BCE 1971: Email 1969 1969: Unix 1970 1970: Arpanet network 1971 1971: Project Gutenberg and eBooks 1972 1972: CYCLADES 1973 1973: The first trans-Atlantic connection and the popularity of emailing 1974 1974: The beginning of TCP/IP 1975 1975: The email client