Some people say that cats can not be trained because we can not communicate with them. I disagree. For example, our cats play fetch, as well as scratch their scratching post before eating. We trained them through repetition (except for the fetch part, we have no idea where they got that). So, for you all out there who have cats and would like to communicate better with them, take a look at the link and read through their suggestions. I found a few of the facial expression notes interesting and am already working to better talk to my cats.