Research
What a good customer interview sounds like
The best research questions sound almost too simple.
Good interviews feel like conversations. You ask about the last time something happened, not what someone would do in theory, and then you stay quiet a little longer than is comfortable.
Ask about the past
People are unreliable about the future and excellent about what they did last Tuesday.
Follow the detail
When someone says a process was annoying, ask what they did next. The workaround is the finding.