title: Google maps API V3 - multiple markers on exact same spot
body: <p>Bit stuck on this one.  I am retrieving a list of geo coords via JSON and popping them onto a google map.  All is working well except in the instance when I have two or more markers on the exact same spot.  The API only displays 1 marker - the top one.  This is fair enough I suppose but would like to find a way to display them all somehow.</p>
  
  <p>I've searched google and found a few solutions but they mostly seem to be for V2 of the API or just not that great.  Ideally I'd like a solution where you click some sort of group marker and that then shows the markers clustered around the spot they are all in.</p>
  
  <p>Anybody had this problem or similar and would care to share a solution?</p>