How to Provide a Review of a Product or Service?

i don't think be able to provide a review unless you can dedicate the time to write a paragraph. It's just astonishing how little differentiation there is, i think, on this paragraph point. But let me give you a counter example. I did you guys read, i think it was a few weeks ago, the new yorker had this article about an online feedback device. Just four buttons, and you can push one of them, and it goes from an angry face to a smiling face. And they found that if you not only monitored in real time which lines were happy and which lines were unhappy, and so the security personnel could see when their line was unhappy relative to all the