Selling merchandise at concerts is a huge source of revenue for many touring bands. However, until now merchandise sales has been limited to mostly cash only transactions meaning that bands miss out on sales when potential customers aren’t carrying cash. That could be changing very soon. Square, a payment device that allows you to charge credit cards via smart phones, is coming to a venue near you. Last week Square unveiled a cute commercial on Youtube explaining the benefits of their device. If you haven’t seen it already check it out here.