The Ultimate Study Guide for the DevNet IoT Certification Do you know when the first thing was connected to the Internet of Things? Some could say it was 1982 and a Coke vending machine at the Carnegie Mellon University. Since then, the IoT has come a long way and is getting adapted more and more, especially with the ongoing IT/OT convergence. But let's start simple: What does IoT exactly describe? Well, the main purpose of the IoT is to get digital presentations of analog things such as objects, environments, or systems. So basically, sensors are capturing analog events, turning them into digital data points which will then be collected in a data lake (sitting in the Cloud or data center).