Deeple - QR Codes Put to Good Use
This is one of those rare occasions where QR codes are actually useful. Simply put, Deeple is a QR code based lost and found service. Put a tag on your keys, your bag, your bike - whatever you want - activate the code, and if you lose it, hopefully someone will find it, scan the code (or head to the website and enter the ID code), and find you. It's simple, it's easy, it's useful. Perfect.
I have one tag to give away to one lucky person, so first come first served.
Although the site is only in Danish right now, I have it on good authority that an English version is coming soon.