Small-business owners have big decisions to make when it comes to accepting payment -- and investors should be taking note. Along with the traditional setups associated with Visa and MasterCard (NYSE:MA), customers can also pay using their iPhones and Android devices. Mobile payments are expected to reach the $600 billion mark by sometime next year.

Players include Google Wallet, eBay's (NASDAQ:EBAY) PayPal Here, and Intuit's (NASDAQ:INTU) GoPayment. But one company drawing a lot of attention is San Francisco-based Square. In the video below, Motley Fool analyst Rex Moore speaks with a local business owner who's sold on Square not only for its low cost, but its business reporting tools as well.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.