China scraps quarantines for all international visitors

From the BBC World Service: China will effectively re-open on Jan. 8 after three years of closed borders – but the country’s economy has taken a battering, with nearly one in five young people out of work. The E.U. rolls out its “single charger” law, which means all electronics manufacturers will have to use a standard USB port charger. Plus, we begin our week-long series on cryptocurrencies, starting off by talking to the investors themselves.