Everyone seems to be getting on board with Square's iPhone credit card reader -- Apple started selling the device in its stores last week, and even Visa has taken a financial interest in the company. However, due to the popularity of fraud-fighting chip-enabled smart cards on the other side of the pond, Square's offering doesn't quite fit the bill. iZettle has a similar solution for Europe that includes the ever-so-necessary smart card reader, which the company is launching in Sweden this June. Not only does it