M-commerce (mobile-commerce) refers to e-commerce activities carried out via a mobile terminal such as a phone or PDA. M-commerce applications for both individuals and organizations are expected to grow considerably. This text addresses issues pertaining to the development, deployment and use of these applications. Its objective is to provide a single source of contemporary information about mobile commerce including the technology (hardware and software) involved, research on the expected impact of this technology on business and consumers and case studies describing contemporay m-commerce applications and lessons learned.