An electronic guide system is described that includes a fixed-location beacon
located adjacent to a location which is associated with a plurality of landmarks
to transmit electronic signals containing descriptive information of each of the
landmarks. The guide system also includes a client device physically separated
from the beacon to receive the electronic signals containing the descriptive information
of each of the landmarks when placed by a user within a transmission range of the
beacon. A viewing direction sensor is provided to determine viewing direction of
the user to cause the client device to provide the user with the descriptive information
of one of the landmarks at which the user is looking. An electronic guide system
that includes a movable beacon is also described.