The world of mobile communications is not a trend, but a phenomenon. IJMC, a fully refereed journal, publishes articles that present current practice and theory of mobile communications, mobile technology, and mobile commerce applications. Topics covered include Integrated mobile marketing communications Wireless advertising/CRM Telematics, pervasive computing Incoming/outgoing wireless links Location management Diffusion, security, efficacy, interaction/integration Metric mobile business enterprises PDAs in services delivery M-/u-business models, m-/u-commerce Digital office, groupware, roomware Mobile ad hoc networking, wireless information assurance Nomadic/portable communications Cross-cultural mobile communications Teaching mobile communication applications Mobile/handheld devices in the classroom, tele-learning.