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During hearings into Facebook’s new Libra cryptocurrency, she grilled David Marcus, the head of its Calibra wallet, which is how its users will interact with Libra. “So, we are discussing a currency controlled by an undemocratically selected coalition of largely massive corporations. Do you believe currency is a public good?”

I think it’s a good thing that President Cyril Ramaphosa is dreaming of a high-tech future. We need someone to dream big about the way our country will operate, not in some distant sci-fi future, but in the next few years. We need to start embracing the technologies that can make us a better place to live, find work for our youngsters in the new growth industries, and make us more attractive to investors.

Despite all the advances of technology and transportation, what hasn’t transformed is the amount of time it takes the average person to get to work, says Dara Khosrowshahi, the CEO of Uber.

Access to a city’s centre is a greater success factor than education, he told the Uber Elevate conference in Washington last week. “It Is the key to success in society.”