There is no such thing as a bad idea.
In a brainstorming process, every member's goal is to contest the potential of an idea, not reject it. Entrepreneurial innovation is also a healthy source of ideas that could positively move a culture or community.
Regardless of whether it is good or bad, an idea will always turn out to be productive and useful when the execution happened at the right place at the right time.
So here are some fascinating ideas one might find intuitive and ridiculous and then some if not all might just work.