According to research from Business Insider, more than 24 billion internet-connected devices will be installed around the world by 2020. To give that some context, that's more than four devices for every person on the planet.
According to research and analysis firm Gartner, there were around 8 billion connected devices in use at the end of 2017. That’s a 31% increase from the year before, and it’s not slowing down. It’s estimated that there will be upwards of 20 billion connected devices by the end of 2020.The physical world is going to be extremely interconnected and smart.