When I'm writing a song, it's just me and the songwriters. Then when the song is done, there are publishers that hear it, then people in my management, then my wife and my boys and my friends, and if they're all lovin' it, it's kind of withstanding all the criticism I need.
And as we continue to improve our understanding of the basic science on which applications increasingly depend, material benefits of this and other kinds are secured for the future.