Iota can be used for way more than only the Internet of things. It can be used to generally transfer value in a very secure away.
This can be huge. Because it can be a safe way to send information in a very unsafe area. For free. In milliseconds.
Now it takes way more time than milliseconds, I'm talking about the future. In the future it can be just milliseconds if the network has scaled enough. Meaning if enough transactions are done on the network.
A lot of people think Iota it's only for the Internet of things, but it can be used in many more ways.