Consider a system that does not yet exist. An example is a totally automated fast-food
restaurant, where customers order via touch screen interactions, pay by swiping their debit or
credit cards, and then pick up their food—analogous to the self-check-out at some
supermarkets, but even more extreme.
1. How would you conduct a contextual inquiry for a system that does not yet exist?
2. How could you use a participatory design process to design the system?