Popmoney seems like a great idea, and lots of banks offer it to their customers. It’s sort of like PayPal, but without having to deal with PayPal. You send people money using their mobile number or e-mail address. It’s a new offering from Fiserv, a company that you probably haven’t heard of but have most likely done business with indirectly. They handle money transfers behind the scenes for banks, and other financial institutions. [More]