The blue dot and direction arrow in Google Maps represent where you are and what direction your device is pointing in. A minor update to the Android app today changes the arrow to a shining blue beam.

A compass is a navigational tool that helps people find their direction using the earth's magnetic field. It contains a magnet that aligns itself with the earth's north pole to indicate the direction.

Google has finally added a long-awaited feature to its mapping service: it now shows users the direction they are facing! Although the feature had been available to Beta users for some time, Google ...