The Get-Back GPS from Brunton is a small keychain sized GPS device that gives you the fastest way back to your starting point. Charge it via a free USB port and you’re ready to go hiking. All you do is set up to 3 waypoints and then the Get-Back will point the way to get you back to any of those points. It can also be used as a digital compass. It’s priced at $90 and is available now.