The entry of Apple, Google and Amazon into the IoT and smart home space created huge interest, particularly when Google paid $3 billion for Nest after four years trading. With Microsoft quietly building their presence in the IoT, it seems that the market is really starting to take-off and the multi trillion-dollar growth forecasts are realistic. However, skeptics are sharpening their knives after hearing the recent news that Google is unhappy with the financial results from Nest.