It's a complete unknown and entirely open field of inquiry. It's like asking about what types of books will be published in a 100 years from now, given we just

It's a complete unknown and entirely open field of inquiry. It's like asking about what types of books will be published in a 100 years from now, given we just invented the Gutenberg press. In short, it will depend entirely upon the demand. This whole thing is about money, technology is secondary.