It entirely depends on the idea in question. Sometimes the technology is demanded and society deems it necessary; other times, you're the CEO of Juicero: https:

It entirely depends on the idea in question. Sometimes the technology is demanded and society deems it necessary; other times, you're the CEO of Juicero: https://en.wikipedia.org/wiki/Juicero https://en.wikipedia.org/wiki/Juicero