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 (MA 0.30%), 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 (EBAY 1.09%) PayPal Here, and Intuit's (INTU 0.76%) 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.