Are there any geocachers here?

If you are not know what geocaching is. I'll try to explain it now.

Geocaching is a game played my over 1 million people all over the world. You could call it a "Hi-Tech" treasure hunt of sorts. People hide containers of various sizes and shapes all over the world and post the GPS coordinates online for others to find. Once you find a geocache you sign the paper log that it contains and log your find online. Caches sizes can vary anything from the tip of your pinkey finger to a large tote (the most common large containers is a 50mm ammo can). Depending in the size there could be "Treasure" swag in it. The rule is if you take something you put something of equal or higher in value in its place. Some could include "Trackables" but we will get into that later if you want.