That's right, you never know, that one person may convert one person and so on and so forth. You may help more than you know. Wonder how many people see you with one on the street and go home and figure it out and another person quits analogs for it

or someone reads that post at the right time
I have had probably 75-100 people come up to me and ask about it. One time in Home Depot, I had 6 employees standing around me firing questions. Was bad enough that the manager came over to see what the problem was, and ended up asking questions as well.
At the child support office, I was in there and asked the woman behind the desk if it would be ok to use it. She was intrigued by it, called 3 other workers over and I was passing info out. All said they themselves or someone they knew could use it. I even had one of the mothers with a small child come up to me, at first to complain, but once she heard what was being said, she asked for a card as well. Turns out her husband was a smoker and she didnt like it around their kids.
It happened at the bingo hall as well. I take care of my father since he has had some health issues, and at least once a week, I can get him up and dressed and out and about. Unfortunately, its to go to the bingo hall. Now when I go, I always get tons of questions and have to give a demonstration. Its gotten to the point that I now carry extra business cards and just spread them out in front of me. People come up, ask a couple questions and take a card.
Same at restaurants, Wally world, corner store etc etc. So far I have only had 2 people come up to me, ask what it was, and then started to tell me how bad they are and that I am inhaling antifreeze. I told them all I knew about them, but they still would not budge in their thinking. Thats OK too. Not everyone will accept it.
So as far as I know, my count for conversions are zero. BUT maybe 1 or 2 people I have talked to have actually listened and went home to research it further and have become converted.