Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Not as in depth as I expected...

After reading this book, I can only say I learned one thing - Our minds reconstruct our memories, they aren't 100% accurate. Besides that, this book just tells you to question what people tell you, or question what the media reports and compare it to statistics. If you already have good common sense, you may not need to read this book. I find it comparable to a consumer economics class.