This document discusses building learning communities using technology. It defines key aspects of learning communities including membership, responsibility, respectful feedback, and common purpose. It also discusses knowledge building theory which involves sharing ideas, group discussions, and creating collective knowledge with the teacher as a guide and technology as a platform. Knowledge building communities combine learning communities with knowledge building theory. Examples provided of building international communities include E-pals, which allows safe and free cross-cultural class projects, and Geo Literacy Project videos. Benefits of community building in schools include increased commitment, improved behavior and climate, better attendance, and greater subject mastery.