This will be very handy indeed for a number of circumstances, for the low, low price of free.<p>Trust is a big issue though, people know paypal (mostly from ebay), merchants and techies know and generally trust square so getting that hurdle cleared will be a big deal.<p>I'll use it though for sure. An overseas option for cheaper than my bank (around $30 once everyone has had their slice), competitive with Xoom and I can see a lot of expats using this.