CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart".
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Amazon sells more e-books than printed books.
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The domain name www.youtube.com was registered on February 14, 2005.
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The ‘@’ sign is centuries old, and was used in Europe to denote a unit of weight (the “arroba”) equivalent to 25 lbs.
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The United Nations declared the Internet a basic human right in 2011.
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