But you're assuming facts not in evidence, that people a) watch ads, b) that there is a quantiy of ads that can be quantified as being seen, and really c) that

But you're assuming facts not in evidence, that people a) watch ads, b) that there is a quantiy of ads that can be quantified as being seen, and really c) that 10% of all ads are effective. You're making suppositions based on your own experience that have little to do with the central discussion.