Also in 1995, Ethernet inventor Bob Metcalfe (pictured) wrote in an opinion piece for InfoWorld magazine that “the internet will soon go spectacularly supernova and in 1996 catastrophically collapse”.

Metcalfe vowed to eat his words if he was wrong and did just that at the World Wide Web Conference in 1997. He blended a copy of the article with some water and wasted no time downing the concoction.

Now discover the famous inventions their creators regretted

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