The Internet of Things means you can switch on a light in your home, even if you’re on the other side of the world. It can deliver the power of the internet to even the most mundane everyday objects - and its network is expanding at an astonishing rate: by the end of 2021, it’s predicted that there will be 46 billion Internet of Things devices in use. Christopher Fuss heads DHL’s Internet of Things Smart Sensor team, and he explains what the technology is about in this episode.