Lets dive right in that this is not your first book on cybersecurity also you worked with your coauthor ten years ago called cyberwar. And that with some of your great reporting but that as appropriate footnotes. We wrote cyberwar and we said things then that militaries would become dominant in cyberscape in the landscape and attack each other in cyberwar and infrastructure would be part of the target set. And not with that damage and destruction. And sell at one level i decided to write this book to say we were right. [laughter] but also what has changed in those ten years. And we were right about some things but we were wrong about others. Guests, the military has become the dominant threat factors looking at the major attacks in the last three years that were military. And if you look at the targets they are going after infrastructure just last month the United States were less said we penetrated the power grid. And then just to attack them. And what was wrong as everybody ten did y