The document lists the top 5 brands on Twitter in June 2011 and provides lessons learned from each. VEVO engages authentically with celebrities who have large followings. Taco Bell embraces negative and accelerates positive comments to not take itself too seriously. Delta figures out ways to be responsive on Twitter whenever customers use its service outside business hours. Dunkin Donuts shows brands can lighten up, ask questions and give away prizes without being too serious. Cisco Systems finds relevant Twitter chats to participate in using hashtags and considers hosting its own regular chat.