Want to learn how interviewing can lead you to your next product idea? The basics come from Steve Blank and Eric Ries' startup methodologies. Check out this article on early customer development: http://giffconstable.com/2012/12/12-tips-for-early-customer-development-interviews-revision-3/
A few favorites:
- Listen, don't talk (it's about them not you)
- Ask Open Ended Questions (interviewing 101)
- Get Psyched to hear things you don't want to hear (you're probably wrong, so let your customers correct you).