When you brainstorm to solve problems and find solutions, ask questions and generate ideas.
Alex Osborn popularized the brainstorming method and Bob Eberle is credited for organizing the questions into SCAMPER.
With SCAMPER, you ask seven types of questions to help you innovate and improve products and services.
Ask questions with SCAMPER:
Substitute
Combine
Adapt
Modify (also Magnify and Minify)
Put to another use
Eliminate
Reverse (or Rearrange)
SCAMPER diagram from miro.com