I would say ideally wherever they hangout. Figuring that out is a big part of the job, next is to find out how to engage with them. Going through that process w

I would say ideally wherever they hangout. Figuring that out is a big part of the job, next is to find out how to engage with them. Going through that process will lead to a lot of learning. Figuring out a distribution channel for whatever you are doing is essential for getting to market and finding early users will inform that process. Read the mom test if you haven't already so you have a framework for how to speak to potential users.