10 Genius Gadgets You Had No Idea Existed

Lost without service in the woods? Not anymore with goTenna ($199), a product that lets you text a friend without needing WiFi or a cellular connection. It works very simply: both you and a friend need to have a goTenna and the app. Once you're both connected, you can roam freely and text each other. In the woods, goTenna's reach is up to four miles. In a city, it's one mile.