Back in 1997, artificial intelligence and robotics experts in Japan came up with an intriguing challenge. Could anyone, they asked, build a humanoid football team capable of beating the World Cup winners by the middle of the 21st century? It sounded more than a little out there. In truth, it still does. Yet when it comes to forecasting the future of sport, it serves as a useful lodestar. Before we know it the outlandish will become the new normal. Why am I so confident? Well, over the past few days I’ve been speaking to experts about how sport may look