I wish I could see some customer validation videos where they went on the street and asked random consumers and merchants if they would find this product (and C

I wish I could see some customer validation videos where they went on the street and asked random consumers and merchants if they would find this product (and Coin and others like it), useful as well as hear their concerns. Since I doubt that sort of customer validation work was done in that way (random users vs. specific focus groups, if at all), my impression is that it would be a video full of people saying "eh, maybe, but what about..." or "no, I don't have that problem" or "yeah, it's interesting, but I don't use my card(s) that much or in that way"... or "yeah, but I won't pay extra for that" or maybe "sure, I like it as a consumer" or "sure I'll accept that as a merchant".