Technology

China has the world's largest number of "unicorns," privately-held start-up firms valued at more than $1bn ($771m), according to a new report.

The country has produced 206 unicorns while the US has 203, the China-based Hurun Institute reported.

Together the two countries are home to more than 80% of the world's unicorns.

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For any commuter the prospect of being whisked to and from work in a fraction of the time it usually takes is pretty irresistible.

No traffic jams, no train delays and no cold platforms - what's not to love?

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Facebook has set out extra measures for fighting the spread of disinformation at the next UK election.

These include extending its partnership with fact checker Full Fact and improving the ad library in which political ads are archived.

In addition, it announced separate plans for the 2020 US Presidential vote,