How was the news of the fall of Troy reportedly delivered to Greece?, By using native drum talk, Through a chain of fires on mountaintops, By sending letters via messengers, What did two parallel columns of smoke signify for native people in the Americas?, A warning of an approaching enemy, A request for food and water., The successful return of a war party, Why can drums in Central Africa simulate speech?, Because the drums produce high and low tones that match the local dialect., Because the drums use a secret Morse code., Because the drums are loud enough to be heard over many miles., What was the content of the very first email message sent by Ray Tomlinson?, "Hello World.", "Testing one two three.", QWERTYUIOP, What was the original purpose of using the @ sign in early emailing?, To make the password more secure., To identify messages headed to mailboxes on remote computers., To indicate that the message was urgent., How many email boxes were there by the start of the 21st century?, 263 million., Over 4 billion., Exactly 1971 million.

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