While this is only available for Google Maps on Android for now, the mapping of indoor spaces makes a lot of sense. I know how to get to the mall, but I often forget which level the Cinnabon is on. Not the Cinnabon by the food court; the employees there are stingy with the icing. The other Cinnabon, over by the Limited.*
More seriously, however, the demo video shows a map of an IKEA. That's actually helpful, since those places are more difficult to navigate than a corn maze. Go in for a box of cheap highball glasses and all of a sudden you're lying down on a demo couch trying to re-discover your will to live.
* I don't know if this actually applies to any mall in town. I just always like to know where the nearest Cinnabon is.
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