• Step 1: Clarify and get context - clear all doubts, even the simplest
• Step 2: Define users - Demographics, Geographics, Behavioral characteristics
• Step 3: Identify pain points and opportunity areas
• Step 4: Brainstorm possible solutions
• Step 5: Define a product vision - tagline or a statement helps
• Step 6: Prioritize features
• Step 7: Evaluate and recap

use 5 Whys to answer product design questions

how to brainstorm product ideas:

• Step 1: Build a “big ideas” list (Before the interview)
  • a roster of interesting ideas that you’re passionate about and familiar with
• Step 2: Combine product thinking with an appropriate “big idea”
  • how to segment users, know the pain points, characteristics of the product/company
  • choose one idea or combine a few
• Step 3: Critically answer the question
  • Summarize big ideas
  • explain existing user journey, calling out any user pain points or opportunity areas