In 2018, I attended the Indianapolis 500. Every year, more than 300 000 people show up at the track making it the biggest single-day sporting event in the world. However, not everyone is there for the same reason. Some, like my brother and me, go there to watch the race. More than 50 000 other people ignore the race completely and watch concerts in the infield. Some are there to sell you drinks, hot dogs, or a new cellphone. When the race ends, everyone piles out of the speedway and heads in their own direction resulting in traffic jams all over the place. It took us more than seven hours to travel the sixty miles back to our hotel room. As I thought about it afterwards, I realized that be...