Active RFID tags can store entire manifests and routing schedules as well as sensor data.

The cry of "man overboard!" is second only to "fire on shipboard!" as a general alarm for all hands. But what if no one sees that fellow boater or shipmate (or pet) fall into the drink? The Raymarine (www.raymarine.com) LifeTag system, using Ember's ZigBee (www.zigbee.org) networking technology, does away with that unhappy scenario.