Tweeting with cats and hamsters: How Petco uses networks The pet-store chain solicited staffers’ ideas for its foray into social media. By Ragan StaffSept. 30, 2009 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.