We live in a world of catchy words. What was called Parallel Computation yesterday, became NoW (Network of Workstation), Grid and then Cloud. Same thing different words.
Another example is IoT, which is pretty much similar to Home Automation something discussed during the past 40 years.
So what is cool with IoT?
Frankly, I don't know. However, got an idea there and filed a patent. Let's see what will happen.