Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Waste of time and money

It works just as well as a hairdryer and round brush so its not worth getting. It didn't save me any time, it was awkward, heavy and expensive. I watched the instructional DVD and read the instructions to make sure I was using it properly. I was still dissatisfied. I returned it and invested in a good quality straightening iron instead (the Conair Infiniti straightening iron works great!)