 Big journey all over the world from Moscow to Miami to Melbourne, not just to cities that begin with the letter M. I don't know why I just did that. And what I learned is there's scientific evidence for 12 factors that can make your attention better or can make your attention worse. And loads of the factors that can make your attention worse have been hugely increasing in recent years. Some of them are in our technology. They actually range pretty widely. The food we eat is really affecting our attention. Our lack of sleep, something I can relate to right now.