Judging by Google alerts, the two biggest tech trends are Bitcoin and Internet of Things.
Listening to the Ethereum guys talk about how Smart Contracts can automatically enable or disable locks on property such as a car or a house brings these trends together.
My first thought is yikes, scary. My second thought is “Hype Smorgasboard”. However in the context of sharing economy type services this not only makes sense but has to happen for the sharing economy services to grow into their potential.