Using GPS Guided Travel Apps | Sunshine and Siestas | An American Expat in Spain Like any traveler, I have pet peeves about tripping, from tipping to sipping to the fact that my SBB Swiss train app for trains in Switzerland when a ticket collector is hovering over me. Perhaps the biggest are wasting time figuring out where I am (unless I am purposely wandering) or not knowing enough about what I’m looking at – or stressing out over where…