Genuine design challenge. I have 20 different devices in my apartment that use Mains adaptors like this. It's a mess and deeply inefficient. Can someone invent a better way? Another challenge to anyone can make a Smart Plug that is not absolutely massive. It's a bad joke. Bonus points to someone that can redesign the adaptor and smart plug into one unit. We've about 1 billion products in the world and most are identical and we spend $600bn trying to get people to buy parity products, there are still lots of things to invent. …see more