Paris tech show: Wearable kit and data centre tensions at VivaTech

Shiona McCallum is in Paris, weaving through the crowds at one of Europe's biggest tech events. At VivaTech, she tries on the latest wearable tech — kit that could soon appear in homes and workplaces. But beyond the gadgets, a bigger story is unfolding. Data centres power modern online lives, yet not everyone is celebrating. McCallum sits down with the head of a major global data centre company to discuss the industry's mounting challenges. The episode, available for over a year on BBC Sounds, runs for 26 minutes and was published on 23 June 2026. As the tech sector showcases its future, the infrastructure underneath is facing a reckoning.