"Instant Messaging on CTSS and Multics" which were created in the 1960s can be found by that year provided they used the same computer ఇన్‌స్టాంట్ మెసేజింగ్ ఆన్ CTSS అండ్ మల్టిక్స్ Morris /Van Vleck ఎలక్ట్రానిక్ ఉత్తరము చరిత్ర can be found by that year "Instant Messaging on CTSS and Multics" "Instant Messaging on CTSS and Multics" The First Email 1972 "Instant Messaging on CTSS and Multics" user formalized this system invented in the mid-sixties as far back as the 1960s Instant Messaging on CTSS and Multics a web page a web page Rapport concernant des transferts de messages sur ARPANET Rapport concernant des transferts de messages sur ARPANET Morris /Van Vleck Rapport concernant des transferts de messages sur ARPANET Instant Messaging on CTSS and Multics "Instant Messaging on CTSS and Multics" "Instant Messaging on CTSS and Multics" ઇ-મેઇલનો ઇતિહાસ back in the sixties La història del correu Electrònic invented in the mid-sixties 1965年 Instant Messaging on CTSS and Multics provided they used the same computer this provided they used the same computer invented in the mid-sixties Van Vleck's web page about the development of email this can be found by that year "Instant Messaging on CTSS and Multics" Rapport concernant des transferts de messages sur ARPANET Rapport concernant des transferts de messages sur ARPANET Rapport concernant des transferts de messages sur ARPANET "Instant Messaging on CTSS and Multics" ఎలక్ట్రానిక్ ఉత్తరము చరిత్ర ઇ-મેઇલનો ઇતિહાસ Tom Van Vleck’s entry invented in the mid-sixties as far back as the 1960s as far back as the 1960s Compatible Time-Sharing System (CTSS) Tom Van Vleck’s web page "Instant Messaging on CTSS and Multics" Tom Van Vleck’s entry "Instant Messaging on CTSS and Multics" La història del correu Electrònic Tom Van Vleck’s entry Istorija elektronske pošte No, it wasn't. "Instant Messaging on CTSS and Multics" invented in the mid-sixties التراسل الفوري على CTSS ومالتيكس this a web page a web page as far back as the 1960s "Instant Messaging on CTSS and Multics" this can be found by that year "Instant Messaging on CTSS and Multics" التراسل الفوري على CTSS ومالتيكس Tom Van Vleck’s entry provided they used the same computer can be found by that year can be found by that year Tom Van Vleck’s entry Rapport concernant des transferts de messages sur ARPANET a web page can be found by that year around 1965 Историја електронске поште can be found by that year