This week, we take a look at the difference between product and marketing. We'll also hear from one of silkon valley's best cos i think, David sax. And you can get 100 dollars in advertising credits for your first linkdin pan. All right, now we hav we have nalled the sals and the finance part. When we get back with david sax, c o o of a, you know, one of the best cos i think,. of all time in silkon valley....