Mark andresand put it best in his post with this line, markets that don't exist don't care how smart you are. So where does all this leave me thinking about what's most important in building a start up? Well, as an otpaner, it has me thinking far more about market than i used to. I think i honestly took for granted with morning brew, our market. We got very lucky that the market for news letters accelerated in the years after we launched. But that was neither a given, nor was it planned. And finally, if you're a founder, be thoughtful about the market that you pick. Be more thoughtful than my co founder and i were