I love the idea and the cool designs. It's the easiest way for now to give a nocoiner some sats. For example, I wanted to tip the guy who delivered firewood the other day and had no appropriate fiat. I handed him some sats on the satcard, told him he should treat it like a banknote and, when ready, follow the URL on the back of the card for more info. Now I hope he will be happy in a few years.