Joy Fairbanks shares an article based on a chat with Michael Margolis on user experience research to discover your product-market fit.  How can you find your TAM and validate your product-market fit if you don’t know who your bulls eye customers are?  UX research is a way to accelerate the learning curve of startups and derisk the investment. This week my student founders and I had the pleasure of welcoming Michael Margolis, UX Research Partner at GV (Google Ventures), to…