2. What is Interaction Design?
• Interaction Design (IxD) is the branch of user experience design that defines
the structure and behavior of interactive products and services.
• i.e. IxD defines in detail how websites, web apps, software will look, function,
and behave.
• Interaction Design spawns from interface design, industrial design product
design, software design and development, cognitive psychology, visual
design, anthropology, etc.