Google has just given the functionality of their online Maps product a real boost. You can now drag a route on a map to change the streets it takes. They’ve also added the ability to add a destination anywhere on a map just by right-clicking or by dragging an existing place marker to a new location.
What does this enable you to do? Suppose a highway is blocked up or you would prefer to drive by trees instead of buildings, you can now easily modify your route. As you can see above, I can now change route to take any street I need (or desire). I expect that we will soon see a flurry of art maps as people try to create pictures with the routing algorithm.