Last June, at SXSW London , Eric Yuan put forward a vision of AI that was quite different from the usual talk about productivity. For the founder of Zoom, technology should enable us to work less, not simply to produce more. He envisaged a four-day, or even three-day, working week, pointing out that despite decades of technological progress, we still work five days a week. At Zoomtopia 2026, on 20 October, the…