The first email ever sent was by Ray Tomlinson to himself in 1971, and it reportedly said 'QWERTYUIOP'.
Why it is true
Tomlinson also chose the '@' symbol to separate the user name from the computer name. He later admitted he had forgotten the exact content of that first test message.
Source: Technology History
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.
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