Abstract: An apparatus is provided that is enabled to store and transmit at least one set of data stored therein. In one embodiment, the apparatus includes a simple user interface that comprises one or more buttons and light-emitting diodes. The buttons are configured to select and transmit a set of data stored within the apparatus, and the diodes are configured to provided information regarding the operation of the apparatus to a user of the apparatus. The apparatus includes a number of hardware and software elements that enables the apparatus to exchange data with another similar apparatus and other devices. The embodiment also provides communications between the apparatus and a personal computer, by additionally utilizing other hardware and software elements operating on the personal computer.