I was looking through articles about the type of people that geocache and I found this one in Scientific America by Mark Clemens. It is called “A Walk in the Woods”. It not only tells about his experience in Lake placid NY with the new sport, but also provides some background on GPS devices and geocahing in general.

http://www.sciam.com/article.cfm?articleID=0008078F-DC62-1FF8-90AE83414B7F0000&sc=I100322