14: Communication and Collaboration
	All computer systems interact with human organizations
	We need to understand normal human communication
	Communication can include:
		Eyes, face, body, tone, are all ways of communicating
	Conversation has structure
		Compare to text based
		Reduced feedback
		Less context
		Slower pace
		(psychological differences)
		Text is more easily reviewed
		Text is more easily retrieved
Group communication is more complicated
	Physical environment
	Hard to do experiments
	Studies must account for social influences

14.1 CCSW computer supported cooperative work
	Face to face
	Structure of conversation
		Context
	Text
		Group working

14.2 face to face
	Most sophisticated; least technical
		Body language
		Eyes
		Tone
	Transfer effects and personal space
		Rules of communication are not always conscious
		People are comfortable at a certain difference
			Varies by culture and relationship
			(cultural tango)
			Direction can be important
			There is even an effect from size of ZOOM images