It is always fascinating to discover new ways GPS technology can be applied that were certainly not imagined when the technology was first developed. GPS Technology Review has looked at how GPS can be used for such diverse purposes as weather prediction, surgery and autonomous parachute guidance. We have now discovered that using an iPhone’s GPS capability (location awareness) to regularly log your location could save your life. See the video below to find out how.

Bill Davenhall at TEDMED 2009