1. A computer device comprising: (a) a display; (b) a control circuit in communication with said display; (c) an RFID reader unit disposed in communication with said control circuit, said RFID reader unit having an RF oscillator and receiver circuit and a data decode circuit, wherein said control circuit operates said RFID reader unit in a continuous read mode, wherein said RFID reader unit continuously broadcasts a radio signal in an attempt to activate an RFID tag brought into proximity with said computer device; (d) a browser program, a file system and multiple user operating system incorporated into said computer device, said multiple user operating system supporting a plurality of different present user settings, wherein multiple user supporting operating system configures said computer device so that at least one of files including executable programs that can be accessed, registry settings and browser settings are differentiated on the basis of said present user setting; (e) wherein said computer device is configured to operate in a mode in which said control circuit monitors data output by said RFID reader unit to confirm that a presently logged in user corresponding to said present user setting remains in a vicinity of said computer device; and (f) wherein said computer device automatically logs off said presently logged in user if said computer device determines that said presently logged in user has vacated a vicinity of said computer device.