Coronavirus live news: American FDA panel approves Pfizer vaccine as Biden advisor warns ‘no Christmas parties’ – The Guardian

The eureka moment that helped Masahiro Hara perfect the Quick Response, or QR code, sprang from a lunchtime game of Go more than a quarter of a century ago.
He was playing the ancient game of strategy at work when the stones arranged on the board revealed the solution to a problem troubling the firms clients in Japans car industry and which is now being repurposed as a weapon in the fight against the coronavirus pandemic.
As an employee of the automotive components firm Denso Wave, Hara had been…

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