Find My is a feature available on Apple devices that helps users locate their lost items, such as iPhones, iPads, and MacBooks. It combines the capabilities of Find My iPhone and Find My Friends into one app, allowing users to track their devices and share their location with friends and family. The app uses GPS and Bluetooth technology to pinpoint the location of devices on a map. Users can also play a sound on their lost device to help find it, or enable Lost Mode to lock the device and display a message with contact information.