That's an interesting question. Thus far our market selection has been driven more by practical constraints than sophisticated analysis. We've focused on coun

That's an interesting question. Thus far our market selection has been driven more by practical constraints than sophisticated analysis. We've focused on countries that have well-developed electronic payment systems (such as M-PESA in Kenya). We also try to target places where average incomes are low enough that loan amounts that seem small in wealthy countries can have life-changing impact.