Are you constantly losing things like your keys or purse? Did your kids play hide and seek with your keys? Add this neat little tile to your missing item and track it remotely. Some other applications include your pet, your kids, remotes, a workman used it to keep up with his tape measure. I think the best use might be tiling your passport.
One of the stories on their website included details about each family member taking a tile at an amusement park so they could locate each other on their cell phones. https://www.thetileapp.com/stories/the-family-plan
Tiles are $20 each or 4 for $60. Pre-order yours here. https://www.thetileapp.com