Official Google Maps API Blog: Marker ManagerDoug Ricket & Bo Majewski, Software Engineers, Google Maps With 2.67, we're releasing the new GMarkerManager class. The marker manager is our contribution toward helping users display many points on a map, and while it may not fit every scenario, we hope it will be useful as an "out-of-the-box" ready-made solution. It manages the task of displaying markers relevant to the user's viewport and zoom
