The first computer mouse was invented by Doug Engelbart in around 1964 and was made of wood.
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20 years ago, there were only 130 websites, Google wasn't around, and you had to pay for an email account through an ISP.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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As of 2011, gamers have collectively spent over 6 million years playing World of Warcraft. That's almost as long as the existence of the human species!
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