===Directions===
Divide the group into teams. Make sure each team has an internet equipped phone that can correctly scan a test QR code (and it's a good idea for each group to have a backup as well). Send them out to scan the codes and solve the puzzles.
Learn more about [http://en.wikipedia.org/wiki/QR_Code QR codes] or [http://knol.google.com/k/wendy-legendre/scavenger-hunts-how-to-write-fun-and/3rozqlz3ee3jj/2# How to Write Fun and Challenging Scavenger Hunt Clues]
===Debrief===
You can add in clues that require teams to email their solution to a puzzle to a certain email address (and then set up an auto response to provide the next clue).
Learn more about [http://en.wikipedia.org/wiki/QR_Code QR codes on wikipedia]