xyoo dhau los, thaum Lub Kaum Hli 29, 1971, Raymond Tomlinson tau ua haujlwm ntawm ARPANET (Tsoomfwv Meskas tus thawj coj rau pej xeem muaj Internet) thiab tsim email. Nws yog ib qho tseem ceeb heev vim hais tias, mus txog rau thaum lub ntsiab lus, cov lus tsuas yog xa thiab nyeem ntawm tib lub computer. Qhov no cais tus neeg siv thiab qhov chaw los ntawm tus cim @. Thawj email…