This is cool & important ... a key plank.
There is nowhere to spend sats in my town, but a lot of square terminals ... a lot.
It is hard to the lead the way by doing in private on the internet, but easy to when it comes time to split the bill with friends & family.
On-boarding people to immediately do something useful which makes their life easier and freer just works, no finesse required ...
Bitcoin adoption is a function of knowledge dissemination.
Bitcoin on square is an acceleration