Page 165 - (DK) I Can’t Believe It! 2

IT CAN’T BE TRUE! 163
FLOOR MOON

SPACE LANDING
The computer on board
16 GB ENIAC, the world’s first electronic the Apollo 11 spacecraft
that landed on the Moon
computer, was built in 1946. It covered
1,798 sq ft (167 sq m), and could perform in 1969 had just 72 kb
of memory, of which
10,000 calculations per second. just 2 kb was RAM.
Tianhe-2, one of the fastest computers
today, covers 7,750 sq ft
(720 sq m), and performs
33,860 trillion
calculations per second.
WEBSITE GROWTH
1,000,000,000
Since 1991, the number of websites has grown from 1 to more than 1 billion.
700,000,000
2015
600,000,000

500,000,000

400,000,000

300,000,000
FIRST WEBSITE:
6 August 1991
200,000,000 http://info.cern.ch
PERCENTAGE OF PEOPLE ONLINE IN EACH CONTINENT IN 2015
100,000,000
ASIA
40%
0 1990 1995 2000 2005 2010 2016

@ YOU’VE E-BOOK GROWTH

Percentage of book sales in the US, the world’s biggest book market,
GOT MAIL
The first email was sent by computer that were e-books 2009: 3.17% In 2012, online booksellers reported
2002: 0.05%
engineer Ray Tomlinson in Cambridge, 2006: 0.50% 2011: 16.97% that e-books were outselling paper
Massachusetts, in 1971. 2008: 1.18% 2012: 22.55% books for the first time.

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