You may laugh at the idea of a talking thermometer – largely because it’s funny – but that doesn’t stop it being an entirely average and unnecessary invention. And just because it’s all of those things, it doesn’t mean that the Voice Thermostat isn’t quite fun.

So, you’re lying at home feeling rough. Who wants the discomfort of putting the bulky old glass thermometer bulb under your tongue for a minute when your mouth’s all sore and swollen? All you need to do now is jam this thing against your forehead for just 1.5 seconds…