Summary: As Didi buys up Uber China, Kenneth Cukier discusses the implications with editors Tom Standage and from Shanghai, Vijay Vaitheeswaran. And Tim Cross explains the importance of IBM's new artificial neuron-on-a-chip
Summary: As Didi buys up Uber China, Kenneth Cukier discusses the implications with editors Tom Standage and from Shanghai, Vijay Vaitheeswaran. And Tim Cross explains the importance of IBM's new artificial neuron-on-a-chip