Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A real waste of time

I am actually dumber for reading this. The writing is awful, and Hirsen spends most of his time beating the horses that someone else killed. (He couldn't put together a strong enough argument to inflict much damage on his own.)If this is a subject you have any interest in, I'd suggest Neil Postman's "Amusing Ourselves to Death." The book is a bit dated, but still a powerful, engaging read.