This registered sex offender map search, provided by Orbizon Inc., is a great example of how the Google Map software is being customized by individuals and private companies for all sorts of unique and useful purposes.

The registered sex offender map can be used to map and locate sex offenders by address, city or zip code in 42 U.S. states. You can also register to have sex offender alerts and updates for your zip code sent to you by email.

You can use the registered sex offender map for free @ Map Sex Offender Registry.