The prize for the most intriguing fact from the G20 in Seoul goes to the BBC's economics editor, Stephanie Flanders, who reports the following in her 'Stephanomics' blog:
"Western officials should have realised this summit would be different when they arrived in Seoul to find their smartphones didn't work. The problem was that Korea's nationwide 4G network was too advanced. On early negotiating missions, key UK officials found themselves communicating with London via e-mail, on rented phones.
"That was never a problem in Pittsburgh, or in Toronto. But as George Osborne liked to point out, this was the first G20 summit not hosted by a G8 country - and, he might have added, the first where G8 countries didn't call the tune."
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