A Beacon for Locating Luggage: Trakdot
Credit: Courtesy of trakdot.com/en

Absolutely need to check your luggage? This compact tracker can tell you exactly where it went. For a $20 annual fee, the Trakdot taps into local cellular networks – even internationally. You can see your bag's location on an app and give the airline a head start on where to look if they've lost it. [$50; trakdot.com]