This document outlines examples of how technology can facilitate student collaboration across barriers of space and time. It discusses challenges modern students face in collaborating due to schedules, commuting, and physical separation. It then provides several case studies of how tools like wikis, blogs, video conferencing, and annotation software allow groups to work together on tasks like project design, coordination, presentations, and evaluations. The document concludes by discussing challenges of implementing these technologies and possibilities for future expansion to other activities.