1. The document discusses theories around computer-mediated communication (CMC) and how it compares to face-to-face communication. CMC has advantages like reducing status hierarchies but lacks nonverbal cues.
2. Media richness theory states that face-to-face is the "richest" form of communication due to simultaneous cues, while CMC is leaner. However, CMC technologies can also create efficiencies compared to face-to-face.
3. For planning, a comprehensive understanding of human barriers and advantages/limitations of both CMC and face-to-face communication can help planners meet collaborative goals in an increasingly globalized society.