Blue Pin allows you to set a location on the map and calculate distance from your Blue Pin to other pins or properties on the map.
You can right-click on the map and 'Place Blue Pin' at a location. You can then right-click on the map and select 'Directions to here' or 'Add as destination' and a route will be created from Blue Pin to the destination. You can click any property on the map and a pop up will appear. You can also right-click on any property on the map and get a menu of features.