How do you come up with an idea?

They pop into my head like magic. Often I wake up with them. Sometimes just when doing other stuff like having a shower. Fully formed and ready to go.

Some great ideas, some average, some stupid.

Listen for complaints to industry problems, think about how you would solve the problem if you had no limits, then narrow that list to realistic possibilities.

Observe people at work. What could be improved? What sucks? What is great?