This is article is interesting in itself but also points to a new app I want to try, designed to enable navigation via sound cues rather than turn-by-turn directions. As someone who's a bit overreliant on GPS it seems like a fun challenge.

How GPS Weakens Memory—and What We Can Do about It
A new app helps you navigate, not with turn-by-turn directions but via audio “beacons”
scientificamerican.com
