I used to record all market echoes in a notebook, which I affectionately called my “black book.” Whenever a pattern emerged, I acted on it. If several people think your UI sucks, you can bet the marketmind is thinking the same thing. For example, every new feature addition at your website should come from pattern echoes. When several people request something you lack, you can bet the marketmind thinks similarly. The same goes for products: if twenty customers ask about a certain color you don't offer,