Find My iPhone is a popular application that allows you to locate your lost iPhone, iPad or iPod touch on a map. You can remotely lock your device, display a message of your own or wipe data from your phone. Now this app is free for iPhone 4, iPad or a fourth-generation iPod touch running iOS 4.2.
You can locate your lost device from any browser or any other iOS device that has the Find My iPhone, app installed.
Features Includes:
- Locate your iPhone or iPad or iPod Touch on a map
- Display a message and optionally play a sound for two minutes at full volume (even if your device is set to silent)
- Remotely set a passcode lock on your device, or lock it using your existing passcode
- Remotely wipe your device to permanently erase all of your personal data
Read this article to know how to setup Find My iPhone. You can download Find My iPhone at here.(via)