IoT means that you can measure almost anything and bring the appropriate data to the cloud for analysis.
Because of the ubiquity of WiFi and Bluetooth, IoT devices are easy to connect to the web.
Current projects include a range of areas including battery charge monitoring, growing microcrobes and producing bottle caps. These projects all have the characteristic of needing to understand and monitor the process to increase productivity and efficiencies.
Putting a gauge on it means that you can better understand and optimize your process.