IBM dominated the early decades of computing with inventions such as the mainframe and the floppy disk. Its offices and factories, stretching from upstate New York to Silicon Valley, were hubs of American innovation long before Microsoft or Google came along.
But over the last decade, IBM has shifted its centre of gravity halfway around the world to India, making it a high-tech example of the globalisation trends that the Donald Trump administration has railed against.
Today, the company employs 130,000 people in India — about one-third of its total work force, and more than in any other country. Their