There are a few international sim-card providers, but I don't think any of them are really good. It is a business opportunity for sure, but it's also somewhat c

There are a few international sim-card providers, but I don't think any of them are really good. It is a business opportunity for sure, but it's also somewhat complex. I usually try to get my hands on a local card when I travel, but the rates (and availability) varies significantly between countries.