In an email address, what does the @ symbol separate?
AnswerThe user name from the domain
In name@example.com the part before @ is the user and the part after is the mail domain.
Challenge · Facts & stats
Mail facts & stats
7 fact-checked facts about mail, letters and email, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
The Penny Black, the world's first adhesive postage stamp, was issued in which country?
AnswerUnited Kingdom
The Penny Black was issued in the United Kingdom in May 1840.
Going deeper
Whose portrait appears on the Penny Black stamp?
AnswerQueen Victoria
The Penny Black shows a profile of the young Queen Victoria.
In the US, what does ZIP in 'ZIP code' stand for?
AnswerZone Improvement Plan
The Zone Improvement Plan code was introduced in 1963 to speed up mail sorting.
The Pony Express carried mail between Missouri and which state?
AnswerCalifornia
From 1860 to 1861 Pony Express riders relayed mail between St. Joseph, Missouri and Sacramento, California.
Expert level
Who sent the first networked email in 1971 and chose the @ sign for addresses?
AnswerRay Tomlinson
Ray Tomlinson sent the first email between computers on ARPANET and picked the @ sign for addresses.
The Universal Postal Union, which coordinates international mail, was founded in 1874 in which city?
AnswerBern
The UPU was created by the Treaty of Bern in 1874 and is headquartered in Bern, Switzerland.
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