Many people begin their wireless data experience with wireless messaging applications.
Few mobile workers who test wireless data technology using email can ever imagine being without wireless email again. Wireless email takes the idea of mobile computing to the next level for today's hurried business professional. Early applications were in markets where the need for data was critical. New business models emerged where package couriers tracked packages through the various points in a delivery chain, from the sender to the receiver, and offered that data to customers as to the whereabouts of the delivery. These couriers used applications that simply tracked package numbers through handheld scanning technology.