Dude where is my bike?

According to the FBI there were 221,936 bicycle thefts in the United States for the year 2008.

A German startup, named Mybikenumber.com helps you avoid becoming one more statistic, protect your bike and track it down no matter where in the world.

Mybikenumber.com is a free service that allows you to register your bicycle world-wide. You can also register bicycle parts like frames, suspension forks, gear change and wheel hub. All you have to do is sign in and register your bike (and the components you choose) to get a unique number and a QR-Code, which you can print out and stick on your bicycle frame.

http://thenextweb.com/europe/2010/01/18/dude-bike/