Philip H.
Interesting topic. I am a layman on the subject, and wanted to know the state of technology. Readers should be aware that half the book was over my head, but the other half provided the information I was looking for. Problem is , you need to listen to the whole book. I gave 4 stars figuring the background data is provided for those who understand it. The narration is like listening to a computer-derived voice, very monotone with no emotion or emphasis. I found I had to focus on listening more attentively.