IoT is becoming more and more important for learners.
There is an interesting new MOOC for the King's College of London
https://www.futurelearn.com/courses/internet-of-things
It is not for developers, high level, but contains many interesting ideas.
For example: what are the problems that we're facing today for connectivity?
Is is Zigbee the right answer, or do we need new technologies for connecting things.
I'll return back in a few days.