Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Not helpful at all, way too technical

Even though I am fairly confident with computers, and quite knowlegable of basic computer usage and components, this left me in a total fog. I got a "dummies" book because I had no experience whatsoever in wireless, hoping to learn a bit more. This books assumes you already understand wireless and know exactly what all the abbreviations mean.It was absolutely useless as a beginner manual.