Some of us are directionally challenged. Others just want to know where they are when out on a hike. Join an REI Outdoor School instructor tonight at the Issaquah REI Store to learn the basics of GPS ...

Consumer Reports conducts exhaustive testing of portable navigation devices (PNDs) to help you make an informed purchase decision. With our extensive buying advice, Ratings charts, dynamic product ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. GPS and wrist-based ...