For all of Square's fast growth, it's been exclusively the domain of US shopkeeps; others had to scrounge for an alternative, if there was one at all. The payment pioneer clearly isn't content to isolate itself or anyone else, as it's making its international debut with support for Canada. Locals can immediately request the free Mobile Card Reader and swipe credit cards with an Android or iOS device at the same flat, 2.75 percent rate that more experimental American stores know very well. Complete equality isn't available to Canucks just yet, as