Getting Everything You Can Out of All You've Got

 If you continue to market to someone with great vigor, they will absolutely get to know who you are. If they tell you no again and again and you keep marketing and selling to them, here is what will happen: they will go from not knowing who you are to knowing exactly who you are to maybe even being annoyed that you won't go away to starting to respect you because no one has ever marketed to them with such force to even feeling obligated to give you some business. Yes, obligated. If someone keeps coming after you again and again and again, even if you are not interested in that person, you start to feel like you want to give something back. 

Massive diligent follow - up can penetrate just about any company if you are determined.