Real time location services. Tracking your stuff, tracking your loved ones, well, don’t you want to know?

“The company’s Hugs and Halo systems are designed to help prevent infants from being removed from a hospital without permission, while RoamAlert is intended to keep patients—such as those with Alzheimer’s—from wandering unattended. The infant and patient-monitoring systems offer other protections as well, such as skin-sensing capabilities that can trigger an alert when a tag is removed from a wearer.”

http://www.rfidjournal.com/article/articleview/3565/1/1/