Nowadays, imagining modern buildings without glass is difficult, and glass walls can be found almost everywhere around us. Glass has been one of the most valued materials owing to its transparency. Glass walls' transparency in modern architecture involves two contradictory characteristics: visual continuity and spatial discontinuity. Even though we can see everything through a glass wall, we can hardly hear the sound and cannot touch anything on the opposite side of the wall. Although a glass wall facilitates interpersonal communications beyond a partition, it simultaneously blocks deeper interactions. Can the glass wall be made into an even richer communication medium?