We’ve moved from simple mechanical locks to fancy electronic fobs, but still the problem remains: lose your keys, and you’re looking at an expensive locksmith bill. Even if you find your keys after ten frantic minutes searching in the morning, at what point do you say enough is enough? Thankfully, there’s a simple solution to this problem: the Nonda iHere, a smart dongle that lets you find your keys with your smartphone. Here’s how it works.