Customer journey interviews explore the subject of an existing problem that your product or service aims to resolve. They are especially useful at the beginning of product development to understand the context that your product will fit within. The questions focus on an existing journey the customer goes on to solve a problem. These interviews will uncover pain points of the existing journey and opportunities for your product to resolve.
How are people solving this problem today?
How might the product/service solve this problem?
What pains are associated with the problem today?
Helps clearly define the problem
Great for messaging clarity
Identify additional opportunities
Could identify too many additional opportunities
Can be difficult to stay focused in the interview