Several QR clue samples. As they hunt around the Book Cadillac in Detroit, folks had to dart outside in January for a clue. THEY LOVED IT!
With my mentor, Bjorn Kjellstrom, Swedish father of American Orienteering, inventor of the Silva compass (first protractor-based and liquid-filled, in 1933) and my friend.
Running with world famous ultra-runner, Scott Jurek, as he passed through my area on his way to beat the record of running the Appalachian Trail (2160 miles in 46 days, 8 hours and 7 minutes!)