The document discusses why the Web 2.0 tool Voki is an essential tool for special education classrooms. It argues that Voki allows students with motor and speech disorders to express their knowledge, creativity, and collaborative skills in an engaging and accessible way. By using Voki, these students can fulfill metacognition through active learning and feel a sense of commonality with their peers. The document urges lifting filters on Voki to unlock students' confidence, knowledge, and creative expression and help teachers meet standards while teaching challenging students.