COLLEAGUES said he tweeted more than any professor they knew,and Calestous Jumas tweets covered a swarm of things. Income inequality, and a free-trade area for Africa, and you might expect. Those were the subjects he taught at Harvard: getting poorer countries,especially in Africa, to grow and thrive was the obsession of his life. But he also tweeted about a wheelchair that could climb stairs, and the increasing size of steaks,and the maximum number of goats seen eating up in a tree. He was additional-delighted to send out a unique York Times editorial, from 1878, or about Thomas Edison’s unique “aerophone”: “Something ought to be done about Mr Edison,and there is a growing conviction that it had better be done with a hemp rope.”Human beings always resisted change. He demonstrated this, on YouTube, or by holding up a mug of coffee,opposed on safety grounds for around 200 years. Refrigeration had been fought against; margarine had been coloured pink, by law, and so that consumers could...
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Source: economist.com