If an airline has ever lost your luggage, you'll already be well aware of just how much hassle it can be to get it returned to you. With just a dirty paper tag hanging off it for identification (or nothing at all), being reunited with your suitcase can be a decidedly hit-or-miss affair. Several companies are looking to reinvent the humble bag tag, with high-tech approaches that promise to reduce lost bags and return them to you faster if they do go missing. Here are five of the best.
