Kurzweil is a successful entrepreneur, inventor and author. He is also the co–founder and chair of the Singularity university and currently director of engineering at Google. This book is the most succinct view you can find on building an artificial brain. It is in the core of the brain as a computer problem point of view, which is responsible for questionable predictions about machines taking over the human race. Nonetheless, this is an important read for a balanced point of view.