Interviews are extremely useful when you want to explore users' general attitudes or how they think about a problem. After getting this info, it's your responsibility to design prototypes, products, and features that address their problem.
Listening to customers is the best source of inspiration.
There is no better person to get input about your product than your actual customers, and conducting quality interviews with them will give you amazing new insights.
Interviews can include questions about age, income level, and education attained, as well as questions that deal with buying patterns and brand loyalty.
Remember, you need to find out where you're audience's pain points are and fix them.
In this online workshop, you'll validate your critical assumptions about your customers in live interviews.