As the internet of things (IoT) gets closer to commercial reality, the solutions flooding into the market are increasingly targeted at a real world use case. Some of these are extremely specific – smart meters and smart streetlights are commonplace now, but start-up Helium Systems says its initial focus is on smart refrigeration. Helium does not mean the over-quoted ‘smart refrigerator’ which automatically replaces the milk, but a far more significant application aimed at the lucrative industrial side of the IoT – at the food, drink and healthcare sectors, specifically. More broadly, though, this application will be a proof of concept for its ambition to create a full IoT software platform with underlying wireless network. That is a very common…