On the flip side, if you can't get people to get excited about the problem and solution now, what are the chances you're totally on the mark - and even if you a

On the flip side, if you can't get people to get excited about the problem and solution now, what are the chances you're totally on the mark - and even if you are, whether you can get them to care after? What do you think is the ratio of "they didn't understand my genius until I built it" to "I built it and nobody cared or used it"?