GPS Study for Hiking Blogs

I do quite a bit of backcountry hiking, and occasionally take along a GPS. Notably, the GPS is ill-designed for the things I actually want to do with it. It made me think about whether it would be interesting to do a study of GPS as used by skiers and hikers, not so much out in the field, but how they would like to use it in terms of generating trips / blogs / location-dependent photos, etc. Somewhat narrow, but may be interesting. Some obvious uses are to document trips, and to post them.

For example (just retrieved through a quick search)

For example, my pet peeves with my GPS.