「邮件」- 介绍

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Ray Tomlinson

History of email

The Reason Why Your Email Address Has an @ in It
“I looked at the keyboard, and I thought: ‘What can I choose here that won’t be confused with a username?'” Tomlinson remembers. “If every person had an ‘@’ sign in their name, it wouldn’t work too well. But they didn’t. They did use commas and slashes and brackets. Of the remaining three or four characters, the ‘@’ sign made the most sense. It denoted where the user was … at. Excuse my English.”

Tomlinson calls the ‘@’ symbol “the only preposition on the keyboard.”