Profile cat spot litter catthinkcom Location: U.S. Air Force Academy, CO 80840, USA Twitter: https://twitter.com/catthinkblog Marian P. McClure. I'm a professional cat's behavior researcher. You're probably on my website in search of a cat litter product that can help make your experience a lot easier and more productive. Last activity: on 29/12/2019 Joined: on 29/12/2019 https://catthink.com/ https://www.youtube.com/channel/UC2xgqGhlq1WLeojU5u19fgQ https://twitter.com/catthinkblog https://www.pinterest.com/catthink/ Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.