From thermostats, to step counters, pressure gauges, and chips that guide the Roomba around your living room, there are now more electronic sensors in the world than there are people.

So what do all of these sensors mean for us and our relationship with the world and where exactly will it take us?

Chris Salter, artist & Professor of Immersive Arts at Zurich University of the Arts (ZHDK) and the author of ‘Sensing Machines: How Sensors Shape Our Everyday Life’ joins Jonathan to discuss.