This was submitted by a geocacher who went out to verify the #4 balloon. After the contest we'll be sure to give proper appreciation to one of our own. All we need is 5 confirmed balloons to lock in our chances if all 10 can't be found by the end of the promotion. Wish us luck!
Groundspeak is a 9 year old company that owns and operates Geocaching.com. Geocaching is a high-tech treasure hunting game played throughout the world by adventure seekers equipped with GPS devices. The basic idea is to locate hidden containers, called geocaches, outdoors and then share your experiences online.