It's no secret a lot of people don't like the newly-coined term for billion dollar technology companies - "unicorns." It came about when technology startups with a billion dollar valuation were "rare" and "special," just like the mythical beast.
But one of the issues critics have with the term "unicorn" is that technology companies with valuations over $1 billion (£700 million) are now fairly common, with 13 in London alone - and countless more in Silicon Valley.
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