I was talking to one of my friends today, and she suddenly started chuckling. She and her husband had been visiting friends this week. One of her friends started talking about how their neighbor was doing something with her navigation thingy looking for stuff and couldn’t understand what she was doing or why they thought it was so much fun. My friend surprised even her husband by explaining to them that they are using their handheld GPS units looking for a geocache. Geocaching is very a popular activity in which you get the coordinates of the location where someone else hid a special waterproof container containing a log and maybe some little trinkets or geocache coins or such, then you go out and find it with the aid of your portable GPS device. It is something that is fun for the whole family to do together. She was pretty smug that, after having talked about geocaching with me from time to time, she was the only one in their group who understood what was going on. Cute. She has since started talking to them about trying it with her soon with her handheld GPS system. Maybe I can tag along, too!