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The History of the @ sign

E-mailIn 1972, Ray Tomlinson sent the first electronic message, now known as e-mail, using the @ symbol to indicate the location or institution of the e-mail recipient. Tomlinson, using a Model 33 Teletype device, understood that he needed to use a symbol that would not appear in anyone’s name so that there was no confusion. The logical choice for Tomlinson was the “at sign,” both because it was unlikely to appear in anyone’s name and also because it represented the word “at,” as in a particular user is sitting @ this specific computer.

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