IDEO, an award-winning design and innovation firm located in Palo Alto, California, created orange tickets that give people ten minutes of free play. On a Thursday evening, two IDEO employees started giving out the tickets on their Caltrain ride back to San Francisco. (You can see photos of the passengers reactions here.) They wrote the following over at their blog: IDEO believes in the seriousness of play. It is a big part of our design culture. We encourage playfulness in everyday life. But s