We have a significant email list for our weekly notifications, so we're sending an APB out to all geocachers to get involved. In addition we have posted the contents of the email in our forums so people can read and comment on the challenge.
What defines success for Groundspeak and geocachers?
Our feeling is that we have a large community of hiders and seekers that thrive on these kinds of projects. With the size and reach of the geocaching community we think we have a real possibility of winning the prize. If we don't win the money, however, we still feel that there are many fun successes we could achieve, like:
1. Geocachers could take a picture of one or more of the 10 balloons. This heralds back to Project APE in 2001 where almost all of the 13 caches were found within the day. We didn't have nearly as many participants in geocaching that we have today.
2. Geocachers spot one or more balloons and send us the coordinates before anyone else. Unlike other competing groups we have a broad community with a bigger network than AT&T. (Ok, not that big)
And as a worst case scenario, we raise awareness of geocaching as a fun, outdoor activity.
Geocachers do it with latitude. If anyone knows how to work GPS coordinates and find things, we do.