Dude, all of them are sectors to be innovated. The problem is that adoption will take a while because integration with real life objects such as real estate is a very big thing. As you can see, for the moment only the projects that are only based on developing softwares, platform, mainly only code based products. In my opinion, this is the first step. Another step that will take us closer to the integration ob the blockchain with IOT is #Blocnation.
Why is that?
Because their token is transfered thanks to a bracelet by bringing your wrist close to a POS device. Their project is about facilitating the payment within private events.
The idea has great success in Southeast Asia and they want to spread of all over the over the globe.
Give it a check and see how they will bring the blockchain to the IOT: https://blocnation.io
So digital products has been successful. Maybe this project will be the first one to combine the digital with the material products. We shall see