The joyful, perplexing world of puzzle hunts | Alex Rosenthal

Welcome to the strange, deviously difficult and incredibly joyful world of puzzle hunts. Follow along as Alex Rosenthal lifts the veil on one of the world's most complex puzzle hunts, the MIT Mystery Hunt -- and reveals how puzzles can be found in the most unexpected places. (Hint: see if you can spot the puzzle hidden in this TED Talk.)
by contact@ted.com (TED) via TED Talks Daily (SD video)