Aside:
I'm wondering about the long-term effects and recovery prospects after being so severely malnourished. Anybody have good information on this?
There was a study just after WW2 about it with internment camp survivors ... if your google Force is strong you can find it. I don't have time at work right now, but interesting read.
As for technology, I like my newer fibers and sleeping bag and tent, but I've never bought a GPS and never invested in a PLB? Why? Cuz I know where I am (I don't usually stray too far off the trail), and I'm stubborn and cheap.