Mobile commerce is the use of mobile devices like smartphones and tablets for electronic commerce transactions. It combines electronic commerce with mobile computing. Some key characteristics of mobile commerce include ubiquitous computing anywhere and anytime, convenient and instant connectivity, and location-based and context-sensitive applications. Popular applications of mobile commerce include mobile banking, advertising, booking and ticketing, customer support, and location-aware services. For mobile commerce to succeed, it requires hardware and software technologies to support ubiquitous computing, as well as consistent and pervasive access across wireless networks. Location services are also important for identification, authentication, and small purchases using mobile devices.