Google Maps on iPhone - it's best kept secret!

I was mucking around with Google Maps on my iPhone the other day and accidentally double clicked the little triangle in the bottom left and found a piece of functionality that I had no idea was there.  In effect it acts as a compass and moves the map round according to the direction you are facing.  This is really handy especially when you are on foot navigating around a city for example.

It reminded me of the scene from friends in London when Joey gets into the map.  See the screen shot below:

In the map

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Chewie the Chatbot
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