These five topics may not be brand-new to consumers and merchants, but don’t let a lack of overpowering buzz ­distract you from their staying power.Mobile MoneyRemember when it seemed far-fetched that your entire music ­collection would live inside a plastic box the size of your palm? Now that we know how quickly new technology can be integrated into our daily lives, it’s safe to assume that at least one form of mobile payment ­system eventually will become as ubiquitous as Visa is in retail stores. A report published in October by Juniper Research, which tracks mobile ­technology, states that the number of consumers making purchases with mobile devices is expected to increase by nearly 50 percent during the next two years. The technological aspects of mobile payments still vary, but near-field communication—a contactless method that enables users to simply point their smartpho