Your Life on Windows Azure?
That is what sailors do that utilize the Royal National Lifeboat Institution's automated alerting system for fishing vessels in the United Kingdom.
This is a location-based service infrastructure, code-named GeoPoint, that transmits position data to a centralized tracking and alerting system. It then uses GeoPoint to build MOB Guardian, a search-and-rescue application for fishing vessels (MOB stands for "man overboard").
This was originaly implementd as a...