A service provider can come up with this idea. The person is wearing a watch/device, that monitors his heart beats. The device is also a GPRS, which correctly specifies his location at any point of time. If the person subscribes to this service, his life is guaranteed to be in safe hands. The service provider has got branches all over the world. The service provider could club with the Medical Institutions / other service providers for any help a client will require at any point of time....