In this question, I will list out some Bitcoin based hypothetical inventions that came to my mind, due to the growing popularity of Bitcoin.

1. Bitcoin based automated payment system in parking areas.
2. Bitcoin based cinema ticket payment system.
3. Bitcoin based scanner for traffic polices to collect fines.
4. Bitcoin based automated payment system in subways.

5. A system that use Bitcoins to collect highway fees.

So, what do you think of my suggestions?