Me: Of course, sales and marketing are important functions. The question is when do you need them? I would argue that for most early-stage tech companies the

Me: Of course, sales and marketing are important functions. The question is when do you need them? I would argue that for most early-stage tech companies these days priority #'s 1 through 10 should be product, product, product ... product. Get as far as you can as fast as you can with the product, then once you have gained some decent degree of user feedback and user demand, then focus on go-to-market, not before.